Highway Designation File

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


Certified Mileage (Open to Traffic)
8.539 2010

FARM TO MARKET ROAD NO. 1668

Minute Order 030396, dated 05/23/1951

From US 83 north of Crystal City westward and northward to County Road, a distance of approximately 5.7 miles. (Zavala County)  New Designation



Adm. Auth., dated 05/12/1955, Adm. Cir. 024-1955, dated 05/15/1955

From FM 393 approximately 2.5 miles northwest of Crystal City, northward to a county road intersection, a distance of approximately 2.9 miles. (Zavala County) (New Description)  From the present junction with FM 393, eastward to US 83 north of Crystal City, transferred to FM 393, a decrease of approximately 2.5 miles.



Minute Order 043169, dated 12/04/1957, Adm. Cir. 050-1957, dated 12/15/1957

From FM 393 approximately 2.5 miles northwest of Crystal City, northward and westward, a distance of approximately 8.4 miles. (Zavala County)  Extended westward approximately 5.5 miles.