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Thai highway network

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A highway sign, bearing the Thai national symbol and the route number

The Thai highway network follows the left-hand traffic rule of the road. The network is the twin responsibility of the Department of Highways (DOH, Thai: กรมทางหลวง, Krom Thang Luang), and the Department of Rural Roads (DORR, กรมทางหลวงชนบท, Krom Thang Luang Chonnabot), under the oversight of the Transportation ministry of Thailand. Public highways (ทางหลวง, thang luang) are also called public roads (ถนนหลวง, thanon luang), especially when part of urban streets. The network spans over 70,000 kilometers across all regions of Thailand.[1] Most are single carriageways. Dual carriageways have frequent u-turn lanes and intersections slowing down traffic. Coupled with the increase in the number of vehicles and the demand for a limited-access motorway, the Thai Government issued a Cabinet resolution in 1997 detailing the motorway construction master plan.[2] Some upgraded sections of highway are being turned into a "motorway", while other motorways are not being built from highway sections.

Types of highways

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The 1992 Highway Act (Thai: พระราชบัญญัติทางหลวง พ.ศ. 2535), revised as the 2006 Highway Act (Thai: พระราชบัญญัติทางหลวง (ฉบับที่ 2) พ.ศ. 2549), defines the following five highway types:[3]

A special highway (Thai: ทางหลวงพิเศษ) or motorway is a high capacity highway designed for high speed traffic, for which the Department of Highways carries out construction, expansion, upkeep and repairs, and is registered as such. Motorway entrances and exits have controlled access, and controlled by the DOH. Registration of motorways is overseen by the Director General of the DOH.

A national highway (Thai: ทางหลวงแผ่นดิน) is a primary highway, part of the network connecting regions, provinces, districts, and other important destinations, for which the DOH carries out construction, expansion, upkeep and repairs. Registration of national highways is overseen by the Director General of the DOH.

A rural highway (Thai: ทางหลวงชนบท) or rural road is a highway for which the Department of Rural Roads carries out construction, expansion, upkeep and repairs. Registration of rural highways is overseen by the Director General of the DORR.

A local highway (Thai: ทางหลวงท้องถิ่น) or local route is a highway for which the local administrative organization carries out construction, expansion, upkeep and repairs. Registration of rural highways is overseen by the provincial governor.

A concession highway (Thai: ทางหลวงสัมปทาน) is a highway for which a legal government concession has been granted. Registration of concession highways is overseen by the Director General of the DOH.

Highway numbering

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The first digit of a highway number indicates the region of Thailand it serves, with the number of digits indicating the highway classification.[4] These regions are:

  1. Northern Thailand.
  2. Northeastern Thailand.
  3. Central and eastern, including the upper south.
  4. Southern Thailand, except the upper south.

A single digit indicates one of four highways connecting Bangkok to outlying regions:[4]

Two digits indicate a principal highway within a region, such as Route 22 in the northeast between Udon Thani and Nakhon Phanom.[4]

Three digits indicate a regional secondary highway, such as northeastern Route 202 between Chaiyaphum and Khemarat, and central Route 314 between Bang Pakong and Cha Choeng Sao.[4]

Four digits indicate an intra-province highway connecting a provincial capital to its districts, or between important sites, such as northern Route 1001 between the Route 11 intersection and Amphoe Phrao, and southern Route 4006 between the Route 4 intersection (Ratchakrut) and Lang Suan.[4]

Highways by region

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Northern Thailand

[edit]
Sign on Route 12 in the north of the country
Bridge construction on route 108
Route 12/Asian Highway 16 in Phetchabun Province being widened (2013)
Route Km Name Destination Remarks Province
1-3 Digits
1 1,005 Phahonyothin Road Bangkok-Mae Sai Checkpoint AH1, AH2, AH13 Bangkok, Pathum Thani, Ayutthaya, Saraburi, Nakhon Sawan, Chainat, Kamphaeng Phet, Tak, Lampang, Phayao, Chiang Mai, Chiang Rai
11 562.673 Wachirawut Damnoen Road; Super Highway Road Inburi-Chiang Mai AH13 Sing Buri, Nakhon Sawan, Phichit, Phitsanulok, Uttaradit, Phrae, Lampang, Lamphun, Chiang Mai
12 793.391 Charoenwithithong Road; Singhawat Road; Mittraphap Road; Maliwan Road; Srichan Road; Thinanon Road Mae Sot Checkpoint-Mukdahan AH1, AH13, AH16 Tak, Sukhothai, Phitsanulok, Phetchabun, Chaiyaphum, Khon Kaen, Kalasin, Roi Et, Mukdahan
101 505.853 Charoenwithithong Road; Yantrakitkoson Road Kamphaeng Phet - Huai Kon/Blue Permanent Border Crossing (Thai/Laos Border) Kamphaeng Phet, Sukhothai, Phrae, Nan
110 Phahonyothin Road Chiang Rai - Mae Sai (border) Now a portion of Highway 1 Chiang Rai
112 Khao Sai - Wang Thong Now a portion of Highway 11
Number reused for Kamphaeng Phet bypass		 Phichit, Phitsanulok
119 Phadwaree Road Entrance to Uttaradit intersection Now a portion of Highway 102
Number reused for San Pa Tong - Hang Dong bypass		 Uttaradit
4 Digits (10XX)
1001 93.657 Chiang Mai-Phrao Chiang Mai
4 Digits (11XX)
1100 6.05 Entrance to Doi Kiew Ruesi Phrae
4 Digits (12XX)
1200
4 Digits (13XX)
1300 12.049 Khamang-Pho Prathap Chang Phichit
4 Digits (14XX)
1400 4.829 Entrance to Pa Mamuang Tak

Northeastern Thailand

[edit]
Route Km Name Destination Remarks Province
1-3 Digits
2 495.409 Mittraphap Road Saraburi-Nong Khai Checkpoint AH12 Saraburi, Nakhon Ratchasima, Khon Kaen, Udon Thani, Nong Khai
21 412.874 Saraburi - Lom Sak Road; Lom Sak - Loei Road; Kotchaseni Road; Samakkhi Chai Road Chaloem Phra Kiat-Loei Saraburi, Lopburi, Phetchabun, Loei
22 239.171 Nittayo Road Udon Thani-Nakhon Phanom AH15 Udon Thani, Sakon Nakhon, Nakhon Phanom
23 278.752 Chaengsanit Road Ban Phai-Ubon Ratchathani Khon Kaen, Maha Sarakham, Roi Et, Yasothon, Ubon Ratchathani
24 420.145 Sathon Mark Road Sikhio-Ubon Ratchathani AH121 Nakhon Ratchasima, Buriram, Surin, Sisaket, Ubon Ratchathani
4 Digits (20XX)
2001 Bung Nam Tao-Tham Phra Road Entrance to Ban Tham Phra Downgraded to local highway in under control of Phetchabun Provincial Administration Organization Phetchabun
4 Digits (21XX)
2100 Tubkob-Kokdu Road Tubkob-Kokdu Downgraded to Rural Road LY.4014 Loei
4 Digits (22XX)
2200 Prangku-Kammaet Road Prangku-Kammaet Downgraded to Local Highway with control from Prangku Subdistrict Administration Organization Sisaket
4 Digits (23XX)
2300 30.337 Nong Nae-Nong Khuan Mahasarakham
4 Digits (24XX)
2400 45.601 Old R.P.C Highway Nong Hin-Erawan Loei, Nong Bua Lamphu
4 Digits (26XX)
2601 21.242 Motorway 6 Frontage Road Service road on the left side of Motorway 6 Bang Pa-in - Nong Khai Nakhon Ratchasima
2602 14.197 Motorway 6 Frontage Road Service road on the right side of Motorway 6 Bang Pa-in - Nong Khai Nakhon Ratchasima

Central, western and eastern Thailand

[edit]
AH1, AH2 and Highway 32 in Ayutthaya
Route Km Name Destination Remarks Province
1-3 Digits
3 426.931 Sukhumvit Road Bangkok-Hat Laek Checkpoint AH123 Bangkok, Samut Prakan, Chachoengsao, Chonburi, Rayong, Trat
31 23.510 Vibhavadi Rangsit Road Din Daeng-Don Mueang Bangkok, Pathum Thani
32 150.545 Asian Road Bang Pa-in-Manorom AH1, AH2 Ayutthaya, Ang Thong, Sing Buri, Chainat, Nakhon Sawan
33 299.549 Suphanburi-Pa Mok Road; Phachi-Hinkong Road; Suwannason Road Suphanburi-Aranyaprathet Checkpoint AH1 Suphanburi, Ang Thong, Ayutthaya, Saraburi, Nakhon Nayok, Prachinburi, Sa Kaeo
34 58.855 Debaratana Road / Bang Na–Trat Road Bang Na-Chonburi AH19 Bangkok, Samut Prakan, Chachoengsao, Chonburi
35 84.041 Rama II Road Chom Thong-Pak Tho Bangkok, Samut Sakhon, Samut Songkhram, Ratchaburi
36 57.021 Pattaya-Rayong Bypass Highway Bang Lamung-Rayong AH123 Chonburi, Rayong
36 Chonburi-Pattaya Bypass Highway Nong Mai Daeng Interchange - Pattaya Interchange (Pong) Nong Mai Daeng Interchange - Bangsaen Beach Intersection section now part of Highway 361
Bangsaen Interchange - Pattaya Klang Intersection section now part of Motorway 7		 Chonburi
37 47.468 Cha-am-Pranburi Bypass Road; Phetkasem Road Cha-am-Pranburi AH2 Phetchaburi, Prachuap Khiri Khan
37 Bangkok Outer Ring Road (West) Bang Khun Thian - Bang Pa-in Now part of Motorway 9 (Kanchanaphisek Road, west side) Bangkok, Nonthaburi, Pathum Thani, Ayutthaya
38 7.327 Uttaraphimuk elevated road Memorial Elevated Walkway - Rangsit Bangkok, Pathum Thani
301 1.741 Bangkok-Nonthaburi Road Khlong Bang Khen - Tiwanon Nonthaburi
302 17.27 Ngamwongwan Road, Ratchadaphisek Road Kasetsart University Intersection - Bangyai Interchange Bangkok, Nonthaburi
303 15.269 Suk Sawat Road Rat Burana - Phra Samut Chedi Bangkok, Samut Prakan
304 294.065 Chaeng Watthana Road, Ram Inthra Road, Suwinthawong Road, Mahachakkraphat Road, Sukprayoon Road, Chachoengsao-Kabin Buri Road, Kabin Buri-Pak Thong Chai Road, Suebsiri Road Pak Kret - Nakhon Ratchasima Overpass AH19 Nonthaburi, Bangkok, Chachoengsao, Prachinburi, Nakhon Ratchasima
305 74.811 Rangsit-Nakhon Nayok Road (Pathum Thani Province), Nakhon Nayok-Rangsit Road (Nakhon Nayok Province) Rangsit - Nakhon Nayok Pathum Thani, Nakhon Nayok
306 26.424 Pibulsongkram Road, Pracharat Road, Tiwanon Road Rama 7 - Bang Phun Bangkok, Nonthaburi, Pathum Thani
306 Charan Sanit Wong Road Tha Phra - Rangsit Intersection Downgraded to a local highway under control of Bangkok Bangkok
307 10.813 Nonthaburi-Pathum Thani Road / Bangkok-Pathum Thani Road / Pathumthani-Krungthep Road / Pathum Thani Outer Road Suan Somdet Intersection - Pathum Wilai Intersection Nonthaburi, Pathum Thani
308 6.55 Udomsorayuth Road Entrance to Bang Pa-in Ayutthaya
309 92.828 Rojana Road, Ayutthaya-Ang Thong Road, Ang Thong-Sing Buri Road Wang Noi - Sing Buri Ayutthaya, Ang Thong, Sing Buri
310 1.975 Entrance to Phra Phutthabat Saraburi Saraburi
311 75.490 Narai Maharat Road, Lopburi-Chainat Road Lopburi - Chainat Lopburi, Sing Buri, Chai Nat
312 Wongto Road intersection with Highway 1 - Chai Nat province Now part of Highway 3521 Chai Nat
313 Thasung Road Uthai Thani - Manarom - Highway 1 intersection Now part of Highway 3265 Uthai Thani, Chai Nat
314
315
316
317
318 Trat-Klong Yai Road, Trat-Hat Lek Road Trat - Hat Lek Now part of Highway 3 Trat
319
320
321
322
323
324
325
326
327
329 Phachi-Hin Kong Road, Suphan Buri-Pa Mok Road Highway 1 junction (Hin Kong) - Highway 340 (Suphan Buri) Now part of Highway 33 Saraburi, Ayutthaya, Ang Thong, Suphan Buri
330
331
332
333
334
335
338 31.419 Borommaratchachonnani Road Arun Amarin - Nakhon Chai Si Bangkok, Nakhon Pathom
339 Highway 306 intersection (Bang O) - Nonthaburi Bridge - Pathum Thani Now part of Highway 307 Nonthaburi, Pathum Thani
340 164.210 Bang Bua Thong–Suphan Buri Road, Suphan Buri–Chai Nat Road Bang Bua Thong - Chainat Nonthaburi, Pathum Thani, Ayutthaya, Suphan Buri, Chai Nat
340 Rama II Road - Taling Chan, Taling Chan Road - Suphan Buri Bang Khun Thian - Bang Bua Thong Became part of Highway 37 (now Motorway 9)
Kilometer zero moved to Bang Bua Thong interchange		 Bangkok, Nonthaburi
341
343 Rama IX Road (new section) Khlong Tan - Lat Krabang Downgraded to local highway under control of Bangkok Bangkok
344
345
346
347
348
349
350
351
352
354
356
357
359
360
361
362
363
364
365
366
367
368
369
370
372
375
376
377
4 Digits (30XX)
3001
3002 Pak Nam Pho - Tha Ta Kui Downgraded to local highway Nakhon Sawan
3003 intersection with Highway 1 - Chao Phraya River (Krok Phra) Downgraded to Rural Road 1111 Nakhon Sawan
3004
3005
3006
3007 Highway 3265 - Tha Nam (Manronom) Intersection Nakhon Sawan
3008
3009 Original route around Hankha Now part of Highway 3211 Chai Nat
3010
3011
3012
3013
3014 Lopburi
3015 Lopburi
3016
3017
3018 Lopburi
3019
3020
3021 Saraburi
3022
3023 Tha Ruea-Tha Lan Road Saraburi, Ayutthaya
3024
3025 Thepsatri Circle, Lopburi Lopburi
3026 Highway 205 - Khok Samrong district Lopburi
3027
3028
3029 Highway 1 junction (Khao Phra Ngam) - edge of military area Downgraded to local highway 7-0002 Lopburi
3030
3031 Sing Buri - Inburi district Now part of Highway 311 Sing Buri
3032
3033
3034
3035 Pathum Thani-Bang Len Road, Phon Damri Road, Bang Len-Kamphaeng Saen Road Highway 321 junction (Kamphaeng Saen district) - Bang Len district - Lat Lum Keo district Much of route now Highway 346; remaining section from the origin to the Pathum Thani Provincial Administrative Organization intersection now a local highway Pathum Thani, Nonthaburi, Nakhon Pathom
3036 Highway 3095 (Nakhon Pathom) - Highway 346 (Beng Len) Now part of Highway 375 Nakhon Pathom
3037 Suphan Buri Municipality Control Area - Highway 340 (Bang Pla Ma) Suphan Buri
3038 15.945 Don Chedi - Sri Prachan Suphan Buri
3039
3040
3041 29.239 Phichai Rongrong Songkhram Road Saraburi - Khao Krad Saraburi
3042
3043
3044 Sao Hai - Nong Saeng district Now part of Highway 3041 Saraburi
3045
3046
3047 Khao Khad - Nong Saeng district Now part of Highway 3041 Saraburi
3048
3049
3050
3051
3052
3053 Highway 309 (Pridi Thamrong Bridge) - junction with Highway 32 Base of Pridi Thamrong Bridge to Wat Pa Kho intersection downgraded to local highway A.T. 2-0020
Wat Pa Kho intersection to border of Ayutthaya municipality downgraded to local highway A.T. 2-0021
Ban Ko Subdistrict to Highway 32 downgraded to a local highway		 Ayutthaya
3054 Highway 309 junction (right end) - U Thong Road (north side) Ayutthaya
3055 Highway 309 junction (left end) - U Thong Road (south side) Ayutthaya
3056
3057 Bang Pa-in railway station - Bang Pa-in Downgraded to local highway Ayutthaya
3058 Highway 309 (Sam Pluem Temple Chedi roundabout, left side) - Dusitdharam Temple In Ayutthaya Municipality, downgraded to local highway A.T. 4-0004
In Hanthra Subdistrict, downgraded to local highway		 Ayutthaya
3059 Chedi-Wat Yai Chai Mongkol Road Highway 309 (Sam Pluem Temple Chedi roundabout, right side) - Wat Phanan Choeng In Ayutthaya Municipality, downgraded to local highway A.T. 4-0001
In Ayutthaya City Municipality, downgraded to local highway A.T. 2-0020		 Ayutthaya
3060 Phukhaothong - Paniat In Lumpli, downgraded to local highway A.Th 130-01
In Suan Phrik, downgraded to local highway A.Th 139-02
In Ayutthaya, downgraded to local highway A.Th 2-0019		 Ayutthaya
3061 Ayutthaya
3062 Highway 309 (Wat Tum) - Bang Pa-in Ayutthaya
3063
3064
3065 Now part of Highway 3064 Ang Thong
3066 Rangsit Canal Road Rangsit - Chulalongkorn Gate Pathum Thani
3067
3068 Thanawithi Road Aranyaprathet - Lahansai Renumbered to Highway 348 Sa Kaeo, Buriram
3069 Prachin Anusorn Road Prachinburi - Sri Maha Phothi Now part of Highway 3079 Prachinburi
3070
3071 Prachin Anusorn Road Prachinburi - Sri Maha Phothi Downgraded to a local highway Prachinburi
3072 Sivaboon Road Prachantakam entrance intersection Downgraded to local highway P.C.T. 10-002 Prachinburi
3073 Entrance to Watthana Nakhon City Now part of Highway 3395 Sa Kaeo
3074 Entrance to Kabin Buri Downgraded to local highway Prachinburi
3075 Thesaban Road 19 intersection to Sa Kaeo railway station Downgraded to local highway Sa Kaeo
3076
3077
3078
3079
3080 Entrance to Photharam Now part of Highway 3090 Ratchaburi
3081
3082 Old Saengchuto Road intersection to Tha Maka Now part of Highway 3548 Kanchanaburi
3083 intersection to Pak Phraek station Prachinburi
3084
3085
3086
3087
3088
3089 Khao Ngu-Bok Phrai Road / Ban Pong-Nong Pla Mo Road / Ban Pong-Ratchaburi Road Prachinburi - Sri Maha Phothi Now part of Highway 3291 Ratchaburi
3090
3091
3092
3093
3094
3095 Thanan Bok Road Nakhon Pathom - control area of the Department of Army Animal Husbandry Downgraded to local highway Nakhon Pathom
3096 Na Phra Road, Ratchamangkha Road Outside, Ratchamangkha Road Rajamangala - Sanam Chan Downgraded to local highway Nakhon Pathom
3097 Highway 4 (Phra Prathon) - Highway 35 (Ban Bo) Now part of Highway 375 Nakhon Pathom, Samut Sakhon
3098 intersection to Sam Phran Downgraded to local highway Nakhon Pathom
3099 Nonthaburi Road 1 / Sanambinnam Road Highway 306 - Pak Kret Airport intersection Absorbed into Highway 3110; now local highway 2-0017 Nonthaburi
4 Digits (31XX)
3100 Thonnasomsarang Road, Rangsit-Tiwanon Road, Rangsit-Prayurasak Canal Road Highway 346 (Rangsit) - along the Rangsit to the Chao Phraya River Now part of Highway 345 Pathum Thani
3101 Sihaburanukit Road Minburi entrance intersection Downgraded to local highway under control of Bangkok Bangkok
3102 0.07 Sanphawut Road Bangna - Sanphawut Bangkok
3103 Ratchadaphisek Road Bang Son - Rama 6 - Wat Sroi Thong Downgraded to local highway under control of Bangkok Bangkok
3104 Nakhon Khuen Khan Road intersection to Phra Pradaeng Downgraded to local highway under control of Lat Lueng Samut Prakan
3105 intersection to Phra Samut Chedi Downgraded to local highway under control of Phra Samut Chedi Samut Prakan
3106 Pracharat Road, Line 1 Downgraded to local highway under control of Bangkok Bangkok
3107 Sukhumvit Road 71 (Pridi Banomyong), Ramkhamhaeng Road Highway 3 (Phra Khanong) - Khlong Tan - Bang Kapi Downgraded to local highway under control of Bangkok Bangkok
3108 Suthisan - Huai Khwang - Din Daeng Downgraded to local highway under control of Bangkok Bangkok
3109 Old Paknam Railway Road Khlong Toei - Highway 3 (Chonkhenoi) Bangkok: Downgraded to local highway under control of Bangkok
Samrong Nuea: Downgraded to local highway		 Bangkok, Samut Prakan
3110 Nonthaburi Road 1 / Sanambinnam Road Absorbed Highway 3099; downgraded to local highway 2-0017 Nonthaburi
3111 35.485 Pathum Thani-Sam Khok Road, Sam Khok-Sena Road Pathum Thani - Sena Pathum Thani, Ayutthaya
3112 Pathum Samphan Road, Pathum Thani-Lat Lum Kaeo Road Pathum Thani - Lat Lum Kaeo Absorbed into Highway 3035 (now Highway 346) Pathum Thani
3113 6.300 Pu Chao Saming Phrai Road Samrong - Bhumibol Bridge Samut Prakan
3114 Thonnathaiban Road Thai Ban - Pak Nam Roundabout to Bang Pu subdistrict downgraded to local highway under control of Samut Prakan
In Bang Pu, downgraded to local highway 11-002		 Samut Prakan
3115 Sailuat Road Sailuat Downgraded to local highway Samut Prakan
3116 Phraeksa Road Highway 3 (Bang Ping) - Phraeksa Bang Pu: Downgraded to local highway 11-001
Phraeksa subdistrict: Downgraded to local highway 16-001
Phraeksa Mai Municipality: Downgraded to local highway		 Samut Prakan
3117 7.882 Panawithi Road, Rattanarat Road Khlong Dan - Bang Bo Samut Prakan
3119 11.003 Rom Klao Road Minburi - Lat Krabang Bangkok
3120 Chueam Samphan Road Lamphakchi - Nongchok Downgraded to local highway under control of Bangkok Bangkok
3121 17.813 Bangkhla-Plangyao Road Bangkhla - Plaengyao Chachoengsao
3122 Ban Pho - Don Sinon Road / Don Sinon - Ban Pho Road Don Sinon - Ban Pho Now part of Highway 3304 and a local highway Chachoengsao
3123 Bang Khla - Bang Nam Priao Chachoengsao
3124 8.746 Bang Nam Priao - Bang Khanak Chachoengsao
3125 Road to Bangpakong District Office / Anantaprakarn Road Bangpakong intersection Downgraded to local highway 8-0006 Chachoengsao
3126 11.163 Phlo Ta Luang - Saensarn Chonburi
3127 16.943 Map Pong - Hua Phai Chonburi
3128 Highway 3 - Sriracha Market Chonburi
3129 Thesaban Road 9 intersection to Bang Phra Reservoir Downgraded to local highway 24-007 Chonburi
3130 Bang Pla Soi intersection Downgraded to local highway Chonburi
3131 Chonburi Municipality - Khao Bang Sai Temple Downgraded to local highway Chonburi
3132 Pattaya-Naklua Road Highway 3 - Bang Lamung district Downgraded to local highway 2-0008 Chonburi
3133 Chonburi-Ban Bueng Road, Ban Bueng-Klaeng Road, Nong Chak-Nen Mok Road Chonburi - Ban Bueng - Nong Chak - Pa Yup - Highway 331 - Klaeng District Much of route now Highway 344
Ban Bueng: Downgraded to local highway 4-0002
Ban Bueng subdistrict: Downgraded to local highway
Chulabhorn Rajavidyalaya School to Nong Chak Market: Downgraded to rural highway 3059
Nong Chak to Highway 344: Downgraded to local highway
Ang Wian intersection to Ban Lampung: Now part of Highway 3289
Ban Lampung to Highway 344: Downgraded to local highway 1-0703		 Chonburi
3134 7.533 Ang Sila Road Ang Sila - Khao Sam Muk Intersection Chonburi
3135 Pattaya-Naklua Road, Pattaya Sai 1 Road, Pattaya South Road Naklua Market - South Pattaya Downgraded to local highways 2-0008, 2-0005 and 2-0007 Chonburi
3136 North Pattaya Road Highway 3 - North Pattaya intersection Downgraded to local highway 2-0002 Chonburi
3137 Bang Saen Beach Road area of Bang Saen Resort Downgraded to local highway Chonburi
3138 Chonburi, Rayong
3139
3140
3141 Saraburi
3142
3143
3144 Saraburi
3145
3146
3147 Saraburi
3148
3149
3150
3151
3152
3153 Ayutthaya
3154 Ayutthaya
3155 Highway 309 junction (left end) - U Thong Road (south side) Ayutthaya
3156
3157 Downgraded to local highway Ayutthaya
3158 Ayutthaya
3159 Ayutthaya
3160 Phukhaothong - Paniat In Lumpli, downgraded to local highway A.Th 130-01
In Suan Phrik, downgraded to local highway A.Th 139-02
In Ayutthaya, downgraded to local highway A.Th 2-0019		 Ayutthaya
3161 Ayutthaya
3162 Ayutthaya
3163
3164
3165 Ang Thong
3166 Pathum Thani
3167
3168 Sa Kaeo, Buriram
3169 Prachinburi
3170
3171 Prachinburi
3172 Prachinburi
3173 Sa Kaeo
3174 Prachinburi
3175 Sa Kaeo
3176
3177
3178
3179
3180 Ratchaburi
3181
3182 Kanchanaburi
3183 Prachinburi
3184
3185 Lat Phrao Road Bang Sue - Bang Kapi Renumbered to Highway 336; now a local highway under control of Bangkok Bangkok
3186
3187
3188
3188 Phran Nok Road Downgraded to local highway under control of Bangkok Bangkok
3189 Ratchaburi
3190
3191
3192
3193
3194
3195 Nakhon Pathom
3196 Nakhon Pathom
3197 Nakhon Pathom, Samut Sakhon
3198 Nakhon Pathom
3199 Nonthaburi
4 Digits (32XX)
3202 Nawamin Road Bang Kapi - Khan Ya Nao Downgraded to local highway under control of Bangkok Bangkok
3278 Seri Thai Road Bang Kapi - Min Buri Downgraded to local highway under control of Bangkok Bangkok
4 Digits (33XX)
4 Digits (34XX)
4 Digits (35XX)
4 Digits (36XX)
4 Digits (37XX)
4 Digits (38XX)
4 Digits (39XX)

Southern Thailand

[edit]
Highway 43 in Pattani Province
Route Km Name Destination Remarks Province
1-3 Digits
4 1270.044 Phetkasem Road; Kanchanawanit Road Bangkok-Sadao Checkpoint AH2, AH123 Bangkok, Nakhon Pathom, Samut Sakhon, Ratchaburi, Phetchaburi, Prachuap Khiri Khan, Chumphon, Ranong, Phang Nga, Krabi, Trang, Phatthalung, Songkhla
41 382.616 Asian Road Chumphon-Phatthalung AH2 Chumphon, Surat Thani, Nakhon Si Thammarat, Phatthalung
42 262.312 Phetkasem of Pattani-Narathiwat; Ramkomut Road; Korean Road Sadao-Su-ngai Kolok Checkpoint AH18 Songkhla, Pattani, Narathiwat
43 107 Asian Road; Hat Yai-Pattani Highway; Pattani Bypass Highway Hat Yai-Yaring AH18 Songkhla, Pattani
44 133.172 Southern Road Ao Luek-Kanchanadit Krabi, Surat Thani
401 282.963 Tharathibodi Road; Sriwichai Road; Talat Mai Road; Kanchanawithi Road; Pattanakan Khu Khwang Road; Road around Vajiravudh Camp Takua Pa-Nakhon Si Thammarat Phang Nga, Surat Thani, Nakhon Si Thammarat
402 48.958 Thepkrasattri Road Takua Thung-Phuket Phang Nga, Phuket
403 118.888 Kantang Road Nakhon Si Thammarat-Kantang Nakhon Si Thammarat, Trang
404 133.663 Trang-Chalung Originally position was Trang-Palian, now Highway 416 merged to Highway 404 Trang-Satun
405 Ron Phibun-Phatthalung Road Ron Phibun-Phatthalung Part of Highway 41 Nakhon Si Thammarat, Phatthalung
406 99.890 Yontrakankamthon Road; Satun Thani Road; Sulkanukun Road Khuan Niang-Tammalang Pier Songkhla, Satun
407 21.060 Kanchanawanit Road; Saiburi Road Khlong Wa-Songkhla Songkhla
408 245.159 Nakhon Si Thammarat-Ban Prakop Checkpoint Nakhon Si Thammarat, Songkhla
409 34.759 Thesaban 1 Road (Yala) Naket-Yala Pattani, Yala
410 163.776 Yarang Road; Sirorot Road; Sukhyang Road Pattani-Betong Checkpoint Pattani, Yala
411 Uttarakit Road Main Entrance to Krabi Downgraded to Local Highway with under control of Krabi Provincial Administration Organization Krabi
412 0.233 Entrance to Ranong Ranong
413 5.29 Khokkloy Bypass Road Tonsae-Thungpho Downgraded to 4 digit highway/Part of Highway 4303 Phang Nga
414 24.315 Lopburi Ramesuan Road Nam Krachai-Tha Thon Songkhla
415 48.161 Na Nuea, Phanom Krabi, Surat Thani
416 Palian-Chalung Road Palian-Chalung Part of Highway 404 Trang, Satun
417 11.296 Surat Thani Airport-Kholang Surat Thani
418 35.649 Yarang Bypass Highway Pattani-Thasap Pattani, Yala
419 31.255 Trang Ring Road Ring road around Trang city Trang
420 31.702 Bang Bai Mai Road; Surat Thani Bypass Road (Tha Kup Intersection - Bang Kung Intersection); Surat Thani Ring Road Ring road around Surat Thani city Surat Thani
421 10.517 Wisetmayura Road; Satun Bypass Road Kanae-Satun Satun
425 7.183 Southeast Hat Yai Bypass Road Ban Phru-Hat Yai International Airport Under planned Songkhla
4 Digits (40XX)
4001 6.135 Chumphon-Thayang Chumphon
4002 7.583 Lang Suan - Pak Nam Lang Suan Chumphon
4003 14.012 Sawi - Bokha Chumphon
4004 Ruangrat Road Mueang Ranong - Pak Nam Ranong Downgraded to local highway Ranong
4005 Mueang Ranong - Hat Sompaen Downgraded to local highway Ranong
4006 68.1 Ratchakrut - Lang Suan Ranong, Chumphon
4007 Donnok Road Entrance to Donnok Airport Intersection Downgraded to local highway Suratthani
4008 2.002 Tharathibodi Road Thakham - Km.0 Intersection Suratthani
4009 146.568 Chan Kasem Road; Poolsiri Road; Vibhavadi Rangsit Road; Surat Thani - Na San Road; Khlong Ha Road; Phra Saeng - Ao Luek Road Mueang Suratthani - Ao Luek Suratthani, Krabi
4010 27.55 Kanchanadit - Kham Son Suratthani
4011 9.004 Raksankit Road Choeng Samo - Phum Riang Suratthani
4012 8.832 Huasai-Phraek Mueang Originally in Mueang Nakhon Si Thanmarat, now moved farther than Mueang Nakhon Si Thammarat Nakhon Si Thammarat
4013 68.663 Mueang Nakhon Si Thammarat - Hua Sai Nakhon Si Thammarat
4014 17.53 Khlong Leng - Khanom Nakhon Si Thammarat
4015 113.717 Karom Road; Ban Song-Nakhon Si Thammarat Road Ban Tan - Ban Song Nakhon Si Thammarat, Suratthani
4016 31.208 Karom Road (Nakhon Si Thammarat-Ban Tan section); Nakhon Si Thammarat-Phrom Khiri Road Mueang Nakhon Si Thammarat - Nopphitam Nakhon Si Thammarat
4017 Mueang Nakhon Si Thammarat - Ranot Part of Highway 408 Nakhon Si Thammarat, Songkhla
4018 36.791 Thungpo - Pho Thong Nakhon Si Thammarat, Phatthalung
4019 27.171 Thung Yai - Chang Klang Nakhon Si Thammarat
4020 1.642 Wichitsongkhram Road Mueang Phuket - Patong Phuket
4021 6.473 Chaofa East Road Mueang Phuket - Chalong Intersection Phuket
4022 0.488 Wichitsongkhram School - Surakul Stadium Phuket
4023 8.77 Sakdidet Road Mueang Phuket - Cape Panwa Phuket
4024 22.72 Chaloem Phrakiat Road; Chao Fa West Road; Wises Road Bang Khu - Rawai Beach Phuket
4025 6.95 Srisunthon Road Tha Ruea - Choeng Talae Phuket
4026 4.13 Entrance to Phuket International Airport Phuket
4027 19.538 Tha Ruea - Mueang Mai Phuket
4028 8.608 Patak Road Chalong - Karon Intersection Phuket
4029 3.236 Phrabarami Road Kathu - Patong Phuket
4030 40.540 Don Jom Tao Road; Ban Don - Choeng Talae Road; Srisunthon Road; Thawewong Road; Sirirat Road; Karon Road; Kata Road; Kata-Sai Yuan Road Thalang - Rawai Beach Phuket
4031 13.093 Old Airport Road; Thepkrasattri-Naiyang Road Mud Dok Khao - Phuket International Airport Phuket
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054 10.439 Padang Besa Road Sadao-Padang Besar Checkpoint Songkhla
4055 64.305 Ra-ngae Makha Road Narathiwat-Sukhirin Narathiwat
4056 53.238 Su-ngai Padi Road Narathiwat-Su-ngai Kolok Narathiwat
4057 25.517 Charoen Khet Road Su-ngai Kolok-Buketa Checkpoint Originally was Tak Bai-Buketa, now part of Highway 42 on Tak Bai-Su-ngai Kolok section Narathiwat
4058 31.386 Makhapinnit Road Yi-ngo-Rueso Narathiwat
4059 Entrance to Ranong Pier Removed/Unknown Ranong
4060 50.833 Ratrat Phatthana Road Saiburi-Si Sakhon Pattani, Yala, Narathiwat
4061 36.842 Lamyai 2 Road; Yarang-Panare Highway Yarang-Panare Pattani
4062 41.162 Buketa-Sukhirin Originally was in Betong-17 Km House, now part of Highway 4326 and Highway 4062 rerouted to Buketa-Sukhirin road Narathiwat
4063 9.917 Paramitae-Ban Kotabaru Yala
4064 Sirorot Road Yala Hospital-Paramitae Downgraded to Local Highway with under control of Yala Provincial Administration Organization; Melayu Bangkok-Paramitae section is part of Highway 410 Yala
4065 10.76 Ban Niang-Yaha Yala
4066 54.679 Hutae Huwo-Ban Kotabaru Narathiwat, Yala
4067 28.081 Ban Kotabaru-Rueso Yala, Narathiwat
4068 6.258 Lammai-Lamphaya Yala
4069 Asen-Tachi Designation decommissioned Yala
4070 29.733 Yaha-Bala Yala
4071 24.16 Ban Kotabaru-Phiten Yala, Pattani
4072 Na Pradu-Sai Khao Waterfall Downgraded to Rural Road PN.3060 Pattani
4073 Unknown
4074 16.1 Trobon-Paku Pattani
4075 7 Tolang-Ban Nok Pattani
4076 1.5 Paku-Ban Sai Khao Pattani
4077 32.079 Yaha-Bannang Sata Yala
4078 Chalung-Palian Originally was part of Highway 416, now part of Highway 404 Satun, Trang
4079 Talat Lang Road Surat Thani-Bang Kung Downgraded to Local Highway Surat Thani
4080 Chaloem Phrakiat Road Entrance to Ranong Municipality Control Area Ranong
4081 16.15 Tha Nangphrom-Chongkae Phatthalung
4082 11.335 Witunuthit 1 Road Yala-Tohpakae Yala
4083 2.887 Entrance to Ranot Songkhla
4084 14.173 Chaturongrasamee Road Entrance to Narathiwat Originally Pattani-Tak Bai, now part of Highway 42 and Tak Bai entrance is part of Highway 4327 Narathiwat
4085 49.47 Pak Nam Thepha-Bannang Dama Songkhla, Yala
4086 0.28 Entrance to Chana Originally was Chana-Don Yang, now part of Highway 43 Songkhla
4087 Entrance to Khuan Mit Intersection Downgraded to Local Highway with under control of Songkhla Provincial Administration Organization Songkhla
4088 Entrance to Hanthao Train Station Intersection Downgraded to Local Highway Phatthalung
4089 1.825 Thasap Road Entrance to West Yala Yala
4090 43.466 Noppring-Hin Dan Phang Nga
4091 71.858 Ranong-Thung Tako Ranong, Chumphon
4092 32 Raman-Mayo Yala, Pattani
4093 Bannang Dama-Bannang Sata Unknown Yala
4094 30.341 Bolo-Paknang Nakhon Si Thammarat
4095 20.671 Saba Yoi-Khao Daeng Songkhla
4096 Khao Peep-Paknam Tako Downgraded to Rural Road CP.2063 Chumphon
4097 Lang Suan-Bang Nam Chip Designation decommissioned Chumphon
4098 7.15 Khao Mathri-Sairi Beach Chumphon
4099 6.5 Khao Muang-Wat Laem Sai Chumphon
4 Digits (41XX)
4100 10.669 Entrance to Khiri Rat Nikhom Surat Thani
4101
4102
4103
4104
4105
4106
4107 11.552 Maruebo Tok-Tanyong Mas Narathiwat
4108
4109
4110
4111 0.075 Sulakanukun Road Entrance to Koh Nok Pier Originally was Khuan Niang-Koh Nok Pier, now Khuan Niang-Koh Nok intersection is part of Highway 406 Satun
4112
4113 2.85 Entrance to Ban Prakob Originally was Na Thawi-Ban Prakob, now part of Highway 408 Songkhla
4114
4115 16.67 Sukhirin-Waeng Narathiwat
4116
4117 Rattaphum-Khlong Ngae Designation decommissioned Songkhla
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131 Hat Yai-Chana Part of Highway 43 Songkhla
4132
4133
4134
4135 10.187 Airport Road Entrance to Hat Yai International Airport Songkhla
4136 19.097 Khok Khian Road Kodo-Narathiwat Chomwiw-Pamai section is part of Highway 4337 Narathiwat, Pattani
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155 10.896 Bacho-Ban Thon Narathiwat
4156
4157 27.25 Thasedet Road; Pattani Coastal Highway Lahan-Panare Originally was Lahan-Talokapor, now removed due to heavy wave damages Pattani
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167 12.076 Pamai-Tonsai Pattani-Narathiwat
4168 8.105 Tonsai-Talodueraman Narathiwat, Pattani
4169
4170
4171
4172
4173
4174
4175
4176 14.678 Patae-Bala Yala
4177
4178
4179
4180
4181
4182
4183 0.156 Entrance to Satun Customs House Satun
4184 21.85 Wang Prachan Road Khuan Don-Wang Prachan Checkpoint Satun
4185
4186
4187
4188
4189
4190
4191
4192
4193 21.834 Tokweng 2 Road Su-ngai Padi-Bueloh Intersection Originally was Su-ngai Padi-Ban Samyaek, now Highway 4057 rerouted to Bueloh intersection Narathiwat
4194
4195
4196
4197
4198
4199
4 Digits (42XX)
4200 2.X Watchara Road Entrance to West Krabi Downgraded to local highway Krabi
4201
4202
4203
4204
4205
4206
4207 25.34 Sukhirin-Tomo Narathiwat
4208 6.225 Entrance to Bang Klam Railway Station Songkhla
4209
4210 Entrance to Pattani Pier Downgraded to Local Highway with under control from Pattani Provincial Administration Organization Pattani
4211
4212
4213
4214
4215
4216 5.911 Entrance to Thaksin Ratchaniwet Palace Narathiwat
4217 22.676 Dusongnyo-Ai-tako Narathiwat
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241 15.853 Sukhirin-Ai-tako Narathiwat
4242
4243 40.01 Phichai Songkhram Road Sadao-Ban Sathon Songkhla
4244 21.781 Betong Checkpoint-Ban Saho Yala
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266 13.373 Sako-Kia Narathiwat
4267
4268
4269
4270
4271 42.48 Si Sakhon-Ai-tako Narathiwat
4272 19.35 Yuenang-Khlong Ching Yala
4273 33.425 Taling Chan-Si Sakhon Yala, Narathiwat
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296 2 Nong Chik Road Entrance to West Pattani Pattani
4297 1.2 Ramkomut Road Entrance to Ban Di Pattani
4298 0.571 Ramkomut Road Entrance to East Yaring Pattani
4299 0.262 Entrance to Cho-koyae Pattani
4 Digits (43XX)
4300 1.4 Entrance to Yi-ngo Original portion of Highway 4084 Narathiwat
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321 3.127 Manang Tayo-Khoksumu Former position of Highway 4056 Narathiwat
4322 5.527 Entrance to Cho-airong Former position of Highway 4056 Narathiwat
4323 1.103 Entrance to East Su-ngai Padi Former position of Highway 4056 Narathiwat
4324 0.173 Entrance to Panare Former position of Highway 4061 Pattani
4325 21.95 Pakbang-Chulabhorn Development Village 10 Yala
4326 27.625 Rattanakit Road Betong-17 Km House Former route of Highway 4062 Yala
4327 6.46 Entrance to Tak Bai Former position of Highway 4084 Narathiwat
4328 3.532 Hua Khao-Khao Tanyong Former position of Highway 4084 Narathiwat
4329
4330
4331
4332
4333
4334 1.559 Entrance to Bang Ma Ruat Former position of Highway 4157 Pattani
4335 0.226 Entrance to Khae Khae Beach Pattani
4336 0.47 Entrance to Chomwiw Beach Pattani
4337 1.355 Pamai-Chomwiw Intersection Former position of Highway 4136 Pattani
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354 0.064 Nong Chik Road Entrance to Don Rak Former position of Highway 4296 Pattani
4355 0.251 Ramkomut Road Entrance to East Pattani Original portion of Highway 4084 Pattani
4356 0.426 Entrance to North Pattani Pattani
4357 0.435 Ramkomut Road Entrance to Krue Se Mosque Original portion of Highway 4084 Pattani
4358 0.12 Entrance to Buecho Pattani
4359 0.12 Entrance to Bang Pu Pattani
4360
4361
4362
4363 11.058 Sukyang Road Khoyae - Kato Former portion of Highway 410 Yala
4364 0.72 Entrance to Buketa Former position of Highway 4057 Narathiwat
4365
4366
4367
4368 3.328 Mai Fat-Sam Yaek Former position of Highway 4057 Narathiwat
4369 5.496 Entrance to 2nd Sadao Checkpoint Songkhla
4370 0.42 Entrance to Sakom Pakbang Original portion of Highway 4086 Songkhla
4371 8.959 Sam Yaek-Yong Star Former position of Highway 404 Trang
4372 0.495 Entrance to Wang Yao Prachuap Khiri Khan
4373 13.378 Nong Hin - Singkhon Checkpoint Used to be Rural Road PK.1039 Prachuap Khiri Khan

Department of Highway signage

[edit]

Route number signs

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DOH signs for public highways (ทางหลวง, thang luang) are white squares with a black garuda (ครุฑ khrut) centered above the route number.

Arunprasert Road
Arunprasert Road

Signs near the beginning of a route may display the highway's name on a white rectangle above or below the square.

Bypass marker
Bypass marker

Highways bypassing city centres bear the principal route number marked "Bypass" in Thai (เลี่ยงเมือง), and sometimes also in English.

Department of Rural Roads

[edit]

DORR rural roads do not follow the regional numbering scheme, but follow their own system:

  • Routes beginning with 1 begin from a single-digit highway
  • Routes beginning with 2 begin from a two-digit highway
  • Routes beginning with 3 begin from a three-digit highway
  • Routes beginning with 4 begin from a four-digit highway
  • Routes beginning with 5 begin from a rural highway, local highway or expressway
  • Routes beginning with 6 begin from an important place (e.g a school, temple, district or sub-district)
  • Routes beginning with 7 are entrance roads to the Royal Initiative Project

Signs may be black-on-white (for highway areas) or gold-on-blue (for rural highway areas), with a two-letter province designation prefixed to the road number.

SK.3015
SK.3015

Depicted is SK. 3015, for a rural road in Songkhla Province. The rural road network measures some 35,000 kilometres (22,000 mi), about 82 percent of which is paved. The Department of Rural Roads of the Ministry of Transport takes care of the maintenance of all the rural roads in Thailand.[5]

Kilometer stones

[edit]
A kilometer zero stone in northern Thailand
Main article: Milestone
Milestone as goal is lakh chai (หลักชัย); also see Lak Mueang, Lakh.

Lak or Lakh kilomet (หลักกิโลเมตร) single-carriageway kilometer stone facings display the route number on the outline of a garuda. Some kilometer stones also display the route number on top. Those located to the left of the carriageway display kilometers remaining to the road's beginning at kilometer 0. As seen on the right from the opposite lane, the kilometer stones ascend in value as one proceeds away from kilometer 0. On edges facing traffic, DOH kilometer stones usually show distances remaining to the next two towns, (amphoe seats, or provincial capitals.) Some edges, such as the one depicted to the left, have retroreflector panels. Dual carriageway kilometer stones or posts in the median strip show only the kilometer number.

  • DORR milestones show the kilometer number, and the edges may show distances remaining to the next two villages.
    DORR milestones show the kilometer number, and the edges may show distances remaining to the next two villages.
  • Older roads built by the Ministry of the Interior Public Works Department (กรมโยธาธิการ กระทรวงมหาดไทย) have only departmental insignia and kilometer number and do not show distances on their edges.
    Older roads built by the Ministry of the Interior Public Works Department (กรมโยธาธิการ กระทรวงมหาดไทย) have only departmental insignia and kilometer number and do not show distances on their edges.
  • This type of kilometer stone is sometimes found on older rural highways built during a period of rural development several decades ago. They are marked with the Thai characters รพช, an abbreviation for Rengrat Pattana Chonabot (Thai: เร่งรัดพัฒนาชนบท) which, roughly translated, means "Rapid Rural Development".
    This type of kilometer stone is sometimes found on older rural highways built during a period of rural development several decades ago. They are marked with the Thai characters รพช, an abbreviation for Rengrat Pattana Chonabot (Thai: เร่งรัดพัฒนาชนบท) which, roughly translated, means "Rapid Rural Development".

See also

[edit]

References

[edit]
  1. ^ Thailand Public Relations Department Transport and Communication. Retrieved October 14, 2008. Archived March 1, 2012, at the Wayback Machine
  2. ^ Paper "Privatization of Highway Infrastructure in Thailand" Bureau of Planning, Department of Highways, Thailand. Retrieved 2008-10-19. Archived July 11, 2012, at the Wayback Machine
  3. ^ DOH website, ประเภททางหลวง, retrieved on November 13, 2008 Archived December 11, 2011, at the Wayback Machine
  4. ^ a b c d e "ระบบหมายเลขทางหลวง". Department of Highways website. Department of Highways. Archived from the original on 5 October 2011. Retrieved 13 August 2011.
  5. ^ World Bank, Transport in Thailand. Retrieved October 14, 2008.
[edit]
  • Asian / ASEAN Highway Route Marker (21MB) Department of Highways Thai-language 18-page file, with 1 index and 8 regional maps of AH system overlaid on existing Thai national highways, plus diagrams of AH route markers. Retrieved 2008-10-14.[dead link]
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