Highway Designation File

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

Certified Mileage (Open to Traffic)
70.879 2010


Minute Order 016701, dated 09/26/1939

From a point on US 82 west of Sherman via Gunter to Dallas.  General redescription of Highway System.

Minute Order 044790, dated 10/30/1958

No change to description.  Extended northward 3.6 miles.

Minute Order 088921, dated 06/28/1989; Adm. Ltr. 004-1989, dated 11/17/1989

In Southmayd, from SH 56 southward via Celina, Frisco, and Plano to SL 12 in Dallas, a distance of approximately 59.5 miles.  (Grayson, Collin, and Dallas Counties)  New description; as requested by District, section of approx. 5.8 miles, from SL 12 southward to SL 354, removed from State Highway System.

Minute Order 112056, dated 11/19/09 and Minute Order 112091, dated 12/17/09

From the end of maintenance at Elks Boulevard and Preston Bend Road junction north of Preston, southward via Pottsboro, Southmayd, Dorchester, Gunter, Celina, Prosper, Frisco, and Plano to SL 12 in Dallas, a distance of approximately 70.8 miles. (Grayson, Collin, and Dallas Counties) Route extended approximately 17.0 miles northward from SH 56 in Southmayd via Pottsboro to the end of state maintenance, mileage transferred from FM 120.