Highway Designation File

Transportation Planning and Programming Division
Current Description-Effective Date-Authority


Certified Mileage (Open to Traffic)
5.909 2010

STATE HIGHWAY LOOP NO. 478

Minute Order 062144, dated 04/02/1969; Adm. Cir. 035-1969; 06/01/1969

From US 54 at or near the Texas/New Mexico State Line, southward to the International Border at Juarez, Mexico.  (El Paso County)  Old location US 54 to be marked US 54 business route, effective upon completion of new location US 54.



Minute Order 090522, dated 06/21/1990; Adm. Ltr. 001-1991, dated 01/14/1991

In El Paso, from junction of US 54 and BUS 54-A, southward to the International Border at Juarez, Mexico, a distance of approximately 6.1 miles.  (El Paso County)  New description; a section of SL 478 (approximately 12.5 miles) that runs concurrent with US 54, from Texas/New Mexico State Line to US 54 and SL 478 junction in El Paso, transferred to BU 54-A.