Highway Designation File

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

Certified Mileage (Open to Traffic)
13.596 2010


Minute Order 025161, dated 07/20/1948

From Olmito northward to SH 100, a distance of approximately 4.0 miles. (Cameron County)  New Designation.

Minute Order 025674, dated 11/23/1948

From 3.0 miles east of Rio Hondo, junction FM 106, southward to junction US 83 at Olmito, a distance of approximately 16.3 miles. (Cameron County) Extended from SH 100 to Rio Hondo (12.3 miles).

Minute Order 041669, dated 02/26/1957, Adm. Cir., 020-1957, dated 03/15/1957

From FM 106 approximately 3.0 miles east of Rio Hondo, southward to FM 511 near Olmito, a distance of approximately 153 miles. (Cameron County) Section from FM 511 southward to US 83 eliminated, a decrease in length of approximately 0.7 mile.

Adm. Auth., dated 11/10/1967; Adm. Cir., 103-1967, dated 12/15/1967

From FM 106 at Las Yescas, southward approx. 13.6 miles to FM 511 near Olmito. (Cameron County)  Section from present FM 106 eastward approximately 1.7 miles to Las Yescas transferred to FM 106.