Texas State Highway 20

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"TX 20" redirects here. TX 20 may also refer to Texas's 20th congressional district.

State Highway 20 marker

State Highway 20
Route information
Maintained by TxDOT
Length: 78.061 mi[1] (125.627 km)
Existed: 1969 – present
Major junctions
West end: NM 460 / NM 478 in Anthony

SH 178 in El Paso
I-10 / US 85 / US 180 in El Paso
I-10 / US 180 in El Paso
I-110 / US 54 in El Paso

US 62 in El Paso
East end: I-10 in McNary
Counties: El Paso, Hudspeth
Highway system
SH 19 SH 21

State Highway 20 or SH 20 is a 78.1-mile (125.7 km) highway maintained by the Texas Department of Transportation (TxDOT) that runs from New Mexico State Road 460 at the state line between Texas and New Mexico at Anthony in El Paso County to Interstate 10 at McNary in Hudspeth County. The route passes through the city of El Paso as well as suburban and rural farming communities along the Rio Grande. With the exception of a stretch north of central El Paso where the route crosses north of I-10, the route generally runs in a narrow belt between I-10 and the Rio Grande. The route has connections to every international border crossing with Mexico in the El Paso area and has important intersections with US 54, US 62, US 85, and US 180.

Until the late 1930s, the route designation belonged to a highway in central Texas along the route of present day US 290. The current route predates the Texas highway system having been a portion of several historic auto trails. The route was included at the creation of the state system as part of SH 1. With the establishment of the U.S. numbered highway system, the route became US 80 and the SH 1 designation was eventually dropped. SH 20 was designated over the route when US 80 was relocated over I-10 before it too was decommissioned in western Texas.


Previous route[edit]

Historic SH 20

In 1917, the same year that the Texas State Highway Department (now TxDOT) was created,[2] the department's Office of State Highway Engineer issued a proposal for the state highway system. The proposal included a Highway 20 originally planned between Austin and Houston by way of Giddings, Brenham, and Hempstead. Later that year, the planned route was extended from Austin to Brady by way of Burnet, Llano, and Mason.[3]

Historic SH 20A

A second proposal in 1919 left the route largely intact, but shortened it with termini in Mason and Hempstead. This proposal added an auxiliary route, Highway 20A from Austin through Johnson City to Fredericksburg.[4] The highway routes remained unchanged in a 1922 proposal that rated both routes as "second class" under a three-tier system in which first and second class roads made up only seven percent of the proposed highway system.[5]

In 1924, the state highway department assumed responsibility to maintain all state highways which were previously maintained by the counties. The following year, state lawmakers vest the department with the authority to acquire right of way, survey, plan, and build highways.[2] By 1926, SH 20 in the new highway system was routed over the previously proposed Highway 20A from Fredericksburg to Austin and then over the proposed Highway 20 to Hempstead as a second class highway, and the route was given a third class extension to Kerrville.[6] By 1928, SH 20 was given an auxiliary route SH 20A from Fredericksburg to a point on the highway between Kerrville and Junction. All of the highway from Fredericksburg to Hempstead was classified as a "secondary federal highway" with primary and secondary federal highways comprising seven percent of the state system. The portion between Fredericksburg and Kerrville along with the new auxiliary route were classified as "state highways" eligible for state aid only.[7]

By 1933 the SH 20 designation was dropped over the Fredericksburg to Kerrville highway and extended instead over the auxiliary route SH 20A. That year the road was described between Fredericksburg and Hempstead as paved except for the portion in Hays County around Dripping Springs and a short portion west of Elgin that were described as surfaced. The portion west of Fredericksburg toward Junction was graded earth.[8] In 1935, US 290 was routed over SH 20 except for the portion between Austin and Paige where US 290 was routed further south through Bastrop.[9] By 1936, the formerly surfaced portion west of Elgin had been paved, but the Hays County portion remained merely surfaced. West of Fredericksburg, the Gillespie County portion had been surfaced while the Kimble County portion remained as an improved earth road.[10] In 1939, the SH 20 designation was dropped along all portions of the route running along US 290 as a result of that year's general redescription of the state highway system leaving SH 20 as a greatly shortened route running from Austin to US 290 near Paige. In 1951, US 290 was relocated away from Bastrop northward along SH 20 which was then decommissioned.[1]

Current route[edit]

Prior to the advent of the state's highway system, the route of SH 20 was used by many historic auto trails including the Dixie Overland Highway, the Old Spanish Trail, the Lee Highway, the Jefferson Davis National Highway, and the Bankhead Highway.[11]

Historic SH 1

The current SH 20 was originally a part of the former SH 1, a route that from the current eastern terminus of the present route continued on through Van Horn, Odessa, Midland, Abilene, Fort Worth, and Dallas before entering Arkansas at Texarkana. This route was also one of the original routes planned in 1917,[3] and remained largely unchanged until the end of the 1930s.[3][4][5][6][7][8][10]

US 80

In 1927, US 80 was designated over the route of SH 1 from the New Mexico state line at Anthony to Dallas and then proceeding east to the Louisiana state line east of Waskom.[12] The highway carried both the US 80 and SH 1 designations until the 1939 general redescription of the state highway system when SH 1 was decommissioned outside the city of Dallas.[13] In 1944, the full length of US 80 within Texas was designated as the Veterans of World War II Highway.[12] US 80 was relocated over I-10 through El Paso in 1969, and its former route was then renamed SH 20.[1] US 80 was decommissioned west of Dallas in 1991.[12]

Route description[edit]

SH 20 begins where NM 460 (Co-signed with NM 478), also called Anthony Dr., reaches the state line between Anthony, New Mexico and Anthony, Texas in the El Paso area's Upper Valley. The route proceeds south through Anthony along Main St. passing Federal Correctional Institution, La Tuna. The route then enters Vinton where it becomes Doniphan Dr. Further south in Canutillo the route intersects Loop 375, El Paso's beltway. After entering the city of El Paso, the route intersects SH 178 which connects the route via NM 136 to the international border with Mexico south of Santa Teresa, New Mexico. Further south, SH 20 turns off of Doniphan Dr. and onto Mesa St. and soon after crosses the I-10 freeway which also carries US 85 and US 180 at this point. The route continues to the southeast passing through the foothills of the Franklin Mountains. The route then passes the University of Texas at El Paso and Sun Bowl Stadium before entering central El Paso.[14]

In central El Paso, the route crosses I-10 and US 180 again and then soon after turns northeast on Texas Ave. where the route crosses Santa Fe St. and Stanton St. leading to the Paso del Norte International Bridge and Good Neighbor International Bridge to Ciudad Juárez. The route then turns east along Alameda Ave. The route then crosses Loop 478 before crossing the unsigned I-110 and US 54 at the Patriot Freeway which leads to the international Bridge of the Americas. The route crosses US 62 at Paisano Dr. before the route turns southeast at Ascarate Park and enters the Lower Valley.[14]

At Zaragoza Rd., which leads to the Ysleta-Zaragoza International Bridge, the route intersects FM 258 and passes Ysleta Mission in the Ysleta del Sur Pueblo Native American reservation. The route crosses Loop 375 again before entering Socorro where the route continues along Alameda. Further to the southeast at Clint, SH 20 crosses FM 1110 to San Elizario. In Fabens, where SH 20 is known as Main St., the route crosses FM 76 which leads toward the Fabens-Caseta International Bridge. The route passes through Tornillo as Alameda Ave. again before leaving El Paso County.[14]

In Hudspeth County, the route intersects Spur 148 which passes through central Fort Hancock. A short distance later, the route intersects FM 1088 which connects Fort Hancock to the Fort Hancock – El Porvenir International Bridge. At McNary, the route intersects FM 2217 which continues along the Lower Valley, and then terminates at I-10.[14]

Major intersections[edit]

County Location Mile[14] km Destinations Notes
El Paso Anthony 0 0 NM 460 (Anthony Dr.) / NM 478 – Anthony, NM Western terminus
0.0 0.0 FM 1905 west (Washington St.) Begin overlay of FM 1905
0.1 0.2 FM 1905 east (Franklin St.) End overlay of FM 1905
0.6 1.0 Spur 6 (Wildcat Dr.)
Vinton 2.9 4.7 Spur 37 (Vinton Rd.)
Canutillo 5.9 9.5 FM 259 (Canutillo-La Union Ave.) – La Union, NM
6.4 10.3 Loop 375 (Talbot Ave.)
El Paso 8.5 13.7 SH 178 (Artcraft Rd.) – Santa Teresa, NM
11.8 19.0 I-10 / US 85 / US 180Las Cruces, NM
19.7 31.7 I-10 / US 180
22.5 36.2 Loop 478 (Copia St.)
22.9 36.9 I-110 (Patriot Fwy.) / US 54Ciudad Juárez, Chih., Alamogordo, NM I-110 is unsigned
24.0 38.6 US 62 (Paisano Dr.) – Ciudad Juárez, Chih., Carlsbad, NM
24.8 39.9 FM 1505 (Clark Dr.)
25.7 41.4 FM 76 (Delta Dr.) – Socorro
32.2 51.8 FM 258 (Zaragoza Rd.) – Socorro
33.4 53.8 Loop 375 (Americas Ave.)
Clint 41.5 66.8 FM 1110 (San Elizario Rd.) – San Elizario
Fabens 48.1 77.4 FM 258 (Socorro Rd.) – San Elizario
48.7 78.4 FM 76 (Island Rd.) – Clint
Hudspeth Fort Hancock 72.2 116.2 Spur 148 (Knox Ave.)
73.1 117.6 FM 1088El Porvenir, Chih.
McNary 77.2 124.2 FM 192
78.1 125.7 I-10 – Van Horn Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


  1. ^ a b c Transportation Planning and Programming Division. "State Highway No. 20". Highway Designation Files. Texas Department of Transportation. Retrieved July 21, 2010. 
  2. ^ a b "TxDOT History: 1917–1930". Texas Department of Transportation. Retrieved July 21, 2010. 
  3. ^ a b c Texas State Highway Department, Office of State Highway Engineer (July 1917). Map Showing Proposed System of State Highways (Map). ¾"=25 mi.. Cartography by John D. Miller (June 1917 ed.). http://www.tsl.state.tx.us/cgi-bin/aris/maps/maplookup.php?mapnum=6254. Retrieved July 21, 2010.
  4. ^ a b Texas State Highway Department. Highway Map, State of Texas (Map). 1"=25 mi. (October 1, 1919 ed.). http://www.tsl.state.tx.us/cgi-bin/aris/maps/maplookup.php?mapnum=6183. Retrieved July 21, 2010.
  5. ^ a b Texas State Highway Department. Highway Map of the State of Texas (Map). 1"=20 mi. (December 1, 1922 ed.). http://www.tsl.state.tx.us/cgi-bin/aris/maps/maplookup.php?mapnum=6184. Retrieved July 21, 2010.
  6. ^ a b Texas State Highway Commission. Official Highway Map of Texas (Map). 1"=30 mi. (1926 ed.). http://www.tsl.state.tx.us/cgi-bin/aris/maps/maplookup.php?mapnum=6185. Retrieved July 21, 2010.
  7. ^ a b Texas State Highway Commission (Revised to March 1, 1929). Official Highway Map of Texas (Map). 1⅛"=20 mi. (1928 ed.). http://www.tsl.state.tx.us/cgi-bin/aris/maps/maplookup.php?mapnum=7990. Retrieved July 21, 2010.
  8. ^ a b Texas State Highway Commission. Official Map of the Highway System of Texas (Map). ⅞"=30 mi.. Cartography by R. M. Stene (June 15, 1933 ed.). Section M16-N24. http://www.tsl.state.tx.us/cgi-bin/aris/maps/maplookup.php?mapnum=6188. Retrieved July 21, 2010.
  9. ^ Transportation Planning and Programming Division. "U.S. Highway No. 290". Highway Designation Files. Texas Department of Transportation. Retrieved July 21, 2010. 
  10. ^ a b Texas State Highway Commission (Corrected to March 1, 1936). Official Map of the Highway System of Texas (Map). 1"=29 mi.. Cartography by R. M. Stene (Centennial ed.). http://www.tsl.state.tx.us/cgi-bin/aris/maps/maplookup.php?mapnum=6193. Retrieved July 21, 2010.
  11. ^ Weingroff, Richard F. "U.S. Route 80 The Dixie Overland Highway". Highway History. Washington, DC: U.S. Department of Transportation, Federal Highway Administration. Retrieved 2010-07-22. 
  12. ^ a b c Transportation Planning and Programming Division. "U.S. Highway No. 80". Highway Designation Files. Texas Department of Transportation. Retrieved July 22, 2010. 
  13. ^ Transportation Planning and Programming Division. "State Highway No. 1". Highway Designation Files. Texas Department of Transportation. Retrieved July 22, 2010. 
  14. ^ a b c d e Google Inc. "Map of SH 20". Google Maps (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=N+Main+St&daddr=N+Main+St+to:S+Main+St+to:S+Main+St+to:Doniphan+Rd+to:Doniphan+Dr+to:Doniphan+Dr+to:Doniphan+Dr+to:N+Mesa+St+to:N+Mesa+St+to:Alameda+Ave+to:Alameda+Ave+to:Alameda+Ave+to:Alameda+Ave+to:Alameda+Ave+to:Alameda+Ave+to:Alameda+Ave+to:Alameda+Ave+to:Alameda+Ave%2FOld+Spanish+Trail+to:Alameda+Ave%2FMain+St+to:TX-20+E+to:TX-20+E+to:TX-20+E+to:31.233479,-105.783011&hl=en&geocode=FYpK6AEdNFKl-Q%3BFVBI6AEdWlKl-Q%3BFaZC6AEdqlKl-Q%3BFXQp6AEdwlOl-Q%3BFYyo5wEdalul-Q%3BFcr85gEdpGel-Q%3BFUrh5gEd6Gml-Q%3BFZ5v5gEdr3-l-Q%3BFWXU5QEdq92l-Q%3BFeyo5AEdVhWn-Q%3BFZzS5AEdGLCn-Q%3BFXrS5AEdgsan-Q%3BFTvA5AEdXg6o-Q%3BFci15AEdfj-o-Q%3BFXGh5AEdRnWo-Q%3BFUCU4wEdzJCp-Q%3BFQFn4wEd2cup-Q%3BFTz54QEdWgar-Q%3BFQLL4AEdGg6s-Q%3BFQyy4AEdniWs-Q%3BFYxx3QEdsMiw-Q%3BFVxW3QEdKvSw-Q%3BFQq43AEdNLyx-Q%3B&mra=dme&mrcr=22&mrsp=23&sz=19&sll=31.23341,-105.78318&sspn=0.001195,0.00327&ie=UTF8&ll=31.648705,-106.204834&spn=1.218128,3.348083&z=9. Retrieved July 20, 2010.

External links[edit]

Route map: Google / Bing

Geographic data related to Texas State Highway 20 at OpenStreetMap