Highway Designation File

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


Certified Mileage (Open to Traffic)
23.39 2010

FARM TO MARKET ROAD NO. 821

Minute Order 024979, dated 06/01/1948

From US 87 approximately 13.0 miles south of Big Spring eastward a distance of approximately 6.8 miles. (Howard County)  New Designation.



Minute Order 030257, dated 05/23/1951

From US 87 approximately 13.0 miles South of Big Spring eastward and northeastward 10.3 miles. (Howard County)  Extended approximately 3.5 miles northeastward.



Minute Order 033299, dated 12/17/1952

From US 87 approx. 13.0 miles south of Big Spring, eastward, northeastward, and northward to US 80 east of Coahoma, a distance of approx. 24.5 miles. (Glasscock and Howard Counties)  Extended approximately 14.0 miles to US 80.