Highway Designation File
Transportation Planning and Programming Division
Current Description-Effective Date-Authority
RANCH TO MARKET ROAD NO. 620
Minute Order 21215, dated 07/09/1945 (Date of Agreement)
(FM) From Round Rock westward to SH 29. (Williamson County) New Designation.
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.
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.
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.
(RM) No change in description. (Travis and Williamson Counties) Designation changed from FM to RM.
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.
Cancelled. (Travis and Williamson Counties) Mileage transferred
to UR 620.