Highway Designation File

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


Certified Mileage (Open to Traffic)
10.657 2010

FARM TO MARKET ROAD NO. 1646

Minute Order 030359, dated 05/23/1951

From SH 6, 6.0 miles south of Breckenridge, eastward to road intersection, a distance of approximately 3.8 miles. (Stephens County)  New Designation



Adm. Ord., dated 08/29/1951

Canceled. (Stephens County)  Mileage combined with FM 576.



Minute Order 030701, dated 08/22/1951

From US 380 at Swenson northward to a road intersection, a distance of approximately 5.2 miles. (Stonewall County)  New Designation



Minute Order 034660, dated 08/26/1953

From US 380 at Swenson northward a distance of approximately 6.1 miles. (Stonewall County)  Extended northward a distance of approximately 1.0 mile.



Minute Order 036777, dated 09/29/1954, Adm. Cir. 049-1954, dated 11/15/1954

From US 380 west of Swenson, northward a distance of approximately 10.7 miles. (Stonewall County)   Extended approximately
4.6 miles northward.