Highway Designation File

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

Certified Mileage (Open to Traffic)
24.449 2010


Minute Order 016701, dated 09/26/1939

From Brownsville to Boca Chica.  General redescription of Highway System.

Minute Order 107172, dated 05/29/1997;DesLtr 03-1997, dated 09/10/1997

From the Gateway International Bridge, eastward through Brownsville to Boca Chica, a distance of approximately 27 miles. (Cameron County) At District's request, former segment of US 77 and US 83, from the intersection of US 77, US 83, and SH 4, southwestward to Gateway International Bridge, added to SH 4.