Highway Designation File

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

Certified Mileage (Open to Traffic)
23.329 2010


Minute Order 21215, dated 07/09/1945 (Date of Agreement)

(FM)  From Round Rock westward to SH 29.  (Williamson County) New Designation.

Minute Order 021928, dated 04/17/1946 (Date of Agreement 05/13/1946)

From Round Rock westward to the Travis County Line, a distance of approximately 10.3 miles.  (Williamson County)  Extended from SH 29 to the Travis County Line.

Minute Order 025377, dated 08/26/1948

From Round Rock west to Hickmuntown, a distance of approximately 14.4 miles.  (Travis County)  Extended 4.1 miles from Williamson County Line to Hickmuntown.

Minute Order 033433, dated 12/17/1952

From RM 93 at Bee Cave northeastward via Hickmuntown to US 81 in Round Rock, a distance of approximately 27.9 miles.  (Travis and Williamson Counties)  Extended approx. 13.5 miles southwestward to RM 93.

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

(RM)  No change in description.  (Travis and Williamson Counties) Designation changed from FM to RM. 

Minute Orders 053335, dated 08/01/1963, and 056537, dated 08/31/1965; Adm. Cir. 089-1965, dated 09/01/1965

From SH 71 at Bee Cave, northeastward via Hickmuntown to SL 384 in Round Rock, a distance of approximately 27.4 miles.  (Travis and Williamson Counties)  Redescribed due to RM 93 being redesignated SH 71 and old location US 81 being redesignated SL 384.

Minute Order 105686, dated 06/27/1995; DesLtr 03-1995, dated 06/30/1995

Cancelled.  (Travis and Williamson Counties)  Mileage transferred to UR 620.