Highway Designation File

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


Certified Mileage (Open to Traffic)
13.764 2010

FARM TO MARKET ROAD NO. 1645

Minute Order 030353, dated 05/23/1951

From US 84, 2.3 miles east of Timpson southward to SH 87 at Huber, a distance of approximately 7.4 miles. (Shelby County)  New Designation



Minute Order 051193, dated 05/02/1962, Adm. Cir. 090-1962, dated 07/02/1962

From US 84, 2.3 miles east of Timpson, southward via Huber a distance of approximately 10.0 miles.  (Shelby County)  Extended southward approximately 2.9 miles.



Minute Order 073431, dated 09/29/1977, Adm. Auth., dated 11/08/1977, Adm. Ltr. 12-1977, dated 12/15/1977

From US 84, 2.3 miles east of Timpson, southward to SH 87 at Huber, and from another point on SH 87 at Huber, southward via Arcadia, a total distance of approximately 13.8 miles. (Shelby County)   Extended southward approximately 1.9 miles to FM 138 at Arcadia. FM 3231 combined adding approximately 1.8 miles.