Highway Designation File

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


Certified Mileage (Open to Traffic)
15.919 2010

FARM TO MARKET ROAD NO. 318

Minute Order 021215, dated 06/11/1945 (date o f agreement)

From Poyner northward to Fincastle. (Henderson County)  New Designation.



Minute Order 025582, dated 10/29/1948

Canceled. (Herderson County)  Combined with FM 315.



Minute Order 030287, dated 05/23/1951

From SH 111 at Yoakum northeastward to a road intersection, a distance of approximately 3.7 miles. (Lavaca County)  New Designation.



Minute Order 041065, dated 11/21/1956, Adm. Cir., 016-1957, dated 03/01/1957

From SH 111 at Yoakum, northeastward to  FM 531 at Sweet Home, a distance of approximately 6.1 miles. (Lavaca County)  Extended northeastward  approximately 2.5 miles.



Minute Order 063717, dated 05/07/1970; Adm. Auth., dated 05/18/1970; Adm.Circ. 065-1970, dated 06/01/1970

From US 77, 1.0 mile south of Hallettsville, southwestward to FM 531 at Sweet Home; and from another point on FM 531 at Sweet Home, southwestward to SH 111 at Yoakum, a total distance of approx. 16.9 miles. (Lavaca County) Section from FM 531 northeastward approximately 4.1 miles to end of FM 2763 added; F.M. 2763 combined adding approximately 6.9 miles.