Highway Designation File

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


Certified Mileage (Open to Traffic)
18.47 2010

FARM TO MARKET ROAD NO. 1660

Minute Order 030390, dated 05/23/1951

From US 79 at Hutto southeastward to a road intersection at Norman, a distance of of approximately 5.5 miles.  (Williamson County) New Designation



Minute Order 036790, dated 09/29/1954, Adm. Cir. 047-1954, dated 11/01/1954

From US 79 at Hutto, southeastward to FM 973 at Rices Crossing, a distance of approximately 8.1 miles. (Williamson County)  Extended southeastward approximately 2.9 miles to Rices Crossing.



Adm. Auth. , dated 12/13/1951, Adm. Cir. 001-1957, dated 01/01/1957

From US 79 at Hutto southeastward via Rices Crossing to SH 95 north of Coupland, a distance of approximately 11.1 miles. (Williamson County) Portion of FM 973 from Rices Crossing to SH 55 canceled and combined, adding approximately 3.2 miles. (This change is to become effective the date the State Travel Map is released to the Public.)



Minute Order 053101, dated 06/28/1963, Adm. Cir. 119-1963, dated 08/01/1963

From SH 29 at Jonah, southward to US 79 at Hutto; and from another point on US 79 at Hutto, southeastward via Rices Crossing to SH 95 north of Coupland, a total distance of approximately 19.2 miles. (Williamson County)  Extended northward approximately 8.0 miles from US 79 to SH 29.