Highway Designation File

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


Certified Mileage (Open to Traffic)
66.418 2010

RANCH TO MARKET ROAD NO. 1431

Minute Order 027126, dated 07/15/1949

From FM 755 eastward to the Hidalgo County Line at La Reforma, a distance of approximately 10.0 miles. (Starr County)  New Designation 



Minute Order 027732, dated 11/30/1949

Canceled. (Starr County)  Canceled and combined with FM 1017.



Minute Order 030166, dated 05/23/1951

From US 281 in Marble Falls eastward to Smithwick, a distance of approximately 11.3 miles. (Burnet County)  New Designation



Adm. Auth., dated 10/01/1956, Adm. Cir. 043-1956

No change in description. (Burnet County)  Designation changed from FM to RM.



Minute Order 040966 and 041074, dated 11/21/1956, Adm. Cir. 001-1957, dated 01/01/1957

From SH 20 southeastward via Kingsland to US 281 in Marble Falls and from another point on US 281 in Marble Falls eastward to Smithwick, a distance of approximately 30.3 miles. (Llano and Burnet Counties)  Extended approximately 15.8 miles from SH 25 to Marble Falls.



Minute Order 044964, and 044970, dated 10/31/1958, Adm. Auth., dated 11/26/1958, Adm. Cir. 008-1959, dated 01/01/1959

From SH 25 southeastward via Kingsland to US 281 in Marble Falls; and from another point on US 281 in Marble Falls, eastward via Smithwick and Jonestown to US 183 at White Stone, a total distance of approximately 58.3 miles. (Llano, Burnet, Travis, and Williamson Counties)  Extended eastward approximately 11.7 mile, from Smithwick to end of RM 1328.  RM 1328 canceled and combined adding approximately 19. 0 miles. (RM 1328 to remain signed as such until the 1959 Travel Map is released to the public.)



Minute Order 067949, dated 09/05/1973, Adm. Cir. 115-1973, dated 10/15/1973

From SH 261 southeastward via Kingsland to US 281 In Marble Falls, eastward via Smithwick and Jonestown to US 183 in Cedar Park, a total distance of approximately 58.8 miles. (Llano, Burnet, Travis and Williamson Counties) Extended northward approximately 2.2 miles from SH 29 to SH 261.



Minute Order 074578, dated 06/21/1978, Adm. Ltr. 10-1978, 10/16/1978

From SH 261 southeastward and eastward approximately 67.6 miles via Kingsland, Marble Falls, Smithwick, Jonestown, and Cedar Park to IH 35. (Llano, Burnet, Travis, and Williamson Counties)  Extended northeastward approximately 8.9 miles from US 183 in Cedar Park to IH 35.


Minute Order 112137, DesLtr 1-2010, 01/28/2010

From SH 261 southeastward and eastward approximately 66.4 miles via Kingsland, Marble Falls, Smithwick, Jonestown, and Cedar Park to I-35. (Llano, Burnet, Travis, and Williamson Counties)  Segment known as Whitestone Blvd. transferred to the city of Cedar Park, a distance of approximately 1.1 miles .


Minute Order 112317, dated 06/24/2010

No change to description. (Llano, Burnet, Travis, and Williamson Counties) Segment known as Whitestone Blvd. transferred to the city of Cedar Park, a distance of approximately 1.1 miles.