Mahendra Highway

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H1 Mahendra Highway shield}}

H1 Mahendra Highway
महेन्द्र राजमार्ग
Map of Mahendra Highway in red
Route information
Part of
Length1,027.67 km (638.56 mi)
Major junctions
NH 327B
 Tribhuvan Highway at Hetauda
Prithvi Highway at Bharatpur
Siddhatha Highway at Butwal
ToBhim Datta
NH 9
Damak, Itahari, Bara, Hetauda, Bharatpur, Narayangarh, Butwal, Kohalpur
Highway system
Roads in Nepal

Mahendra Highway (Nepali: महेन्द्र राजमार्ग), also called East-West Highway (Nepali: पुर्ब पश्चिम राजमार्ग) runs across the Terai geographical region of Nepal, from Mechinagar in the east to Bhim Datta in the west, cutting across the entire width of the country. It is the longest highway in Nepal and was constructed by CPWD/PWD Nepali and Indian engineers.[1]


The highway is mostly a single lane in each direction. It is a major infrastructure element because east-west travel was previously limited to the Hulaki Highway built during the Rana regime, expensive and limited air travel, or Nepalese trains and buses. The highway crosses the Terai from east to west for over 1,000 kilometres (620 mi).[2]

The major destinations along and around the highway are Mechinagar, Bhadrapur, Itahari, Janakpur, Bharatpur, Butwal, Siddharthanagar, Nepalganj, and Bhim Dutta.[1] Other towns on the Mahendra Highway are Birtamod, Damak, Inaruwa, Lahan, Narayangadh, Bardibas, and Chisapani

South of the highway are five official border crossing points between Nepal and India.[2]

Infrastructure in Nepal remains neglected despite the very few "highways" that exist. The busiest highways, including Prithivi Highway, all suffer from heavy traffic.

Route (east to west)[edit]

Mechinagar (Kakarbhitta) to Hetauda[edit]

checkpoint of Nepalgunj to Tikapur

Mechinagar, in south-eastern Nepal, is on the Nepal-India border. The wide Mechi River, a tributary of the Mahananda River, forms the border.[3] On the Indian side, the road continues through PanitankiBagdogra and Siliguri.[2]

From Mechinagar (Kakarvitta), the highway runs relatively smoothly for 108 kilometres (67 mi) to Itahari. 20 kilometres (12 mi) west of Mechinagar are the junctions for routes to Ilam at Charali and for Bhadrapur at Birtamod. The highway crosses innumerable streams on the way, including Khadam Nadi, 10 kilometres (6.2 mi) east of Itahari, and Ratua Nadi, near Damak.[2] Itahari is the road junction, with Biratnagar, on the Nepal-India border, to the south and Dharan and Dhankuta to the north.[2]

The Koshi Barrage is 47 kilometres (29 mi) from Itahari. The Mahendra Highway passes over the Barrage between Bhadaha and Bhantabari.[3] Koshi Tappu Wildlife Reserve is easily accessible from the Mahendra Highway. The reserve office is at Kusaha 3 kilometres (1.9 mi) off the highway.[3]

The Mahendra Highway continues its westward course through the Terai landscape. It crosses the Balan Nadi 43 kilometres (27 mi) before Janakpur junction, and another 14 kilometres (8.7 mi) later, the Kamla Nadi river.[3]

Janakpur, a town with more than a hundred temples, is 169 kilometres (105 mi) from Biratnagar and 106 kilometres (66 mi) from Birganj.[2] Janakpur lies 25 kilometres (16 mi) south of the Mahendra Highway. Hindu mythology identifies Janakpur as the capital of the ancient kingdom of Mithila.[3]

At Pathlaiya, Mahendra Highway reaches the Tribhuvan Highway near the Indian border at Raxaul/Birganj 30 km to the south. Kathmandu is 253 kilometres (157 mi) (by highway) north of this junction. The two highways join to cross the Siwalik Range to Hetauda in Chitwan Valley. At Hetauda’s Buddha Chok the two highways diverge and the Mahendra Highway heads west.

Hetauda to Bhim Datta[edit]

Bharatpur is the much-used junction for the highway to Mugling on the Prithvi Highway. It is also the endpoint of many rafting trips on the Trishuli River, after it joins the Narayani River at Devghat. The Mahendra Highway runs north of Chitwan National Park .[2]

Butwal is the junction of the Mahendra Highway with the Siddhartha Highway, with Lumbini, birthplace of Gautama Buddha (Nepal), Sunauli,Maharajganj, on the Nepal-India border, and Siddharthanagar to the south and Tansen and Pokhara to the north. Passes through Nawalparasi district. Butwal is on the west bank of the Tilottama River in the shadow of the Churia Hills.[2]

West of Butwal, the highway turns north to cross the Dudhwa Hills (350m ascent) into Inner-Terai Deukhuri Valley, then crosses the West Rapti River, which is no relation to the East Rapti River of Chitwan. Just beyond the river (291 km from Hetauda), the highway reaches Bhalubang, where a spur road continues north into Pyuthan and Rolpa districts. The Mahendra Highway heads west again, following the Rapti downstream through Deukhuri. 27 km west of Bhalubang at Lamahi, a spur road goes north to Dang Valley, Dang Airport, and Tulsipur town. 35 km beyond Lamahi, Rapti Highway departs north for Salyan and Rukum districts.

Kohalpur, 428 km west of Hetauda, is the junction for a highway south 13 kilometres (8.1 mi) to Nepalganj and the border with India and north to Birendranagar in Surkhet. Then the highway passes the Kusum-Ilaka forest, which is being eyed as a potential extension area of Bardia National Park, which lies to the north-west of Nepalganj, on the Nepal-India border.[3]

Crossing the Karnali River at Chisapani, the highway continues west to the Indian border at Bhim Datta on the Mahakali River, crossing on a barrage. The section between Chisapani and Bhim Datta is in poor repair. There is a 4 kilometres (2.5 mi) extension to Banbasa, the first town in Uttarakhand, India.[3]

Major junctions[edit]

The major junctions of Mahendra Highway are:[2]

  • Itahari – with Biratnagar to the south and Dharan and Dhankuta to the north
  • Bardibas - starting point of BP highway, an alternative roadway to Kathmandu
  • Hetauda – junction with the Tribhuvan Highway with Birganj in the south and Kathmandu and Prithvi Highway to the north
  • Bharatpur – link to Mugling on the Prithvi Highway
  • Butwal – junction of Siddhatha Highway (with Sunauli and Lumbini to the south and Tansen and Pokhra to the north
  • Lamahi - starting point of Lamahi-Ghorai-Tulsipur road


  1. ^ a b "Highways in Nepal". Adarsha Nepal Adventure. Archived from the original on 2013-07-03. Retrieved 2010-05-18.
  2. ^ a b c d e f g h i Woodhatch, Tom. Nepal handbook. Western Nepal p. 29, Junctions p. 44, Length p. 238, Overview p. 373, Nepalganj p. 394 -398, Terai east of Sapt Kosi p. 401, Janakpur p. 436, Eastern Nepal p. 450. Google books. Retrieved 2010-05-18.
  3. ^ a b c d e f g David Reed, James McConnachie. The rough guide to Nepal. Nepalganj p. 361, Mahendranagar p. 374, Janakpur p. 388, Kankarbhitta p. 400, Itahar p. 442. Google book. Retrieved 2010-05-18.