Highway Designation File

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


Certified Mileage (Open to Traffic)
25.004 2010

FARM TO MARKET ROAD NO. 178

Minute Order 021215, dated 06/11/1945 (date of agreement)

From Key on US 180 to Midway.  New Designation.



Minute Order 025412, dated 09/29/1948

From Key on US 180 to a point 4.0 miles south of Midway, a distance of approximately 7.0 miles. (Dawson County) Etended south from Midway 4.0 miles.



Minute Order 038824, dated 09/21/1955, Circ. 041-1955, dated 10/15/1955

From US 180 at Key, southeastward via Midway to US 87, a distance of approximately 12.1 miles.
(Dawson County)  Extended southeastward approximately 5.0 miles to US 87.



Minute Order 057535, dated 05/05/1966, Adm. Auth., dated 05/31/1966, Adm. Circ. 057-1966, dated 05/01/1966

From US 87 northward via Midway and Key approximately 25.1 miles to FM 1210 at US 87. (Dawson County)  New designation from US 180 north approximately 1.9 miles to end of FM 827; section of FM 827 from this point west  approximately 2.0 miles transferred to this FM; new designation from FM 827 northward approximately 9.1miles to FM 1210.