Highway Designation File

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


Certified Mileage (Open to Traffic)
13.724 2010

FARM TO MARKET ROAD NO. 923

Minute Order 025794, dated 10/23/1948,  026385, dated 02/25/1949

From SH 24, 2.0 miles west of Throckmorton, southward and eastward to Junction US 183, 4.0 miles south of Throckmorton, a distance of approximately 9.0 miles. (Throckmorton County)  New Designation.



Minute Order 036780, dated 09/29/1954 Adm. Cir., 001-1955, dated 01/01/1955

From SH 24 about 2.0 miles west of Throckmorton southward, westward, southward, eastward and southward to a road intersection a distance of approximately 12.0 miles. (Throckmorton County)  Extended approximately
3.5 miles eastward and southward to a road intersection.



Minute Order 042854, dated 10/31/1957, Adm. Cir., 049-1957, dated 02/01/1957

From SH 24 approximately 2.0 miles west of Throckmorton, southward, eastward, and southward to US 183, a distance of approximately 13.8 miles. (Throckmorton County)  Extended southward approximately 2.1 miles
to US 183.



Minute Order 065152, dated 08/04/1971; Adm. Ltr., 011-1977, dated 11/15/1977

From US 380 approximately 2.0 miles west of Throckmorton, southward, eastward, and southward approximately 13.8 miles to US 183. (Throckmorton County)  Redescribed due to SH 24 being redesignated US 380.