Highway Designation File

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


Certified Mileage (Open to Traffic)
11.231 2010

FARM TO MARKET ROAD NO. 603

Minute Order 021215, dated 06/06/1945

From Eula northward to US 80 (Callahan County).  New Designation



Minute Order 030980, dated 09/19/51, Adm. Cir. 020-1956, dated 04/01/1956

From Eula northward to FM 18, a distance of approximately 4.8 miles.  (Callahan County)  Due to relocation of US 80, description revised to show northern terminus as FM 18, formerly the old location of US 80.



Minute Order 044903, dated 09/19/1951, Adm. Cir. 029-1956, dated 04/01/1956

From FM 18 west of Clyde southward via Eula to SH 36, a distance of approximately 10.6 miles. (Callahan County)  Extended southward approximately 5.8 miles from Eula to SH 30.



Minute Order 050061, dated 09/20/1961, Adm. Cir. 164-1961, dated 10/26/1961

From US 80 west of Clyde, southward via Eula to SH 36, a distance of approx. 11.4 miles. (Callahan County) Extended northward  approximately 1.1 mile from FM 18 to US 80.