Highway Designation File

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


Certified Mileage (Open to Traffic)
6.621 2010

FARM TO MARKET ROAD NO. 1421

Minute Order 027120, dated 07/15/1949

From US 77 and US 83 at Barreda, southward a distance of approximately 3. 0 miles. (Cameron County)  New Designation.



Minute Order 031163, dated 11/20/1951

From US 77 at Barreda southward to FM 511, a distance of approximately 4.4 miles. (Cameron County)  Extended approximately 1.4 miles southward to FM 511.



Minute Order 053151, dated 06/28/1963; Adm. Cir, 119-1963, dated 08/011963

From US 77 at Barreda, southward to US 281 near San Pedro, a distance of approximately 6.4 miles. (Cameron County)  Extended southward approximately 2.2 miles.