Highway Designation File

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


Certified Mileage (Open to Traffic)
5.961 2010

STATE HIGHWAY LOOP NO. 121

Minute Order 018286, dated 05/29/1941

Terlingua Spur - From a point on SH 227 to Terlingua, a distance of approximately 6.0 miles.  (Brewster County)  Approval (formerly part of SH 227).



Minute Order 021732, dated 02/20/1946

Cancelled.



Minute Order 044914, dated 10/31/1958; Adm. Cir. 028-1959, dated 02/15/1959

Belton Loop - From IH 35 south of Belton eastward to FM 436.  (Bell County)  New Designation.



Adm. Auth., dated 10/11/1978; Adm. Ltr. 011-1978, dated 11/15/1978

From US 190 west of Belton southward, eastward, and northeastward to FM 436.  (Bell County)  FM 594 cancelled & combined.



Adm. Auth., dated 07/10/1988; Adm. Ltr. 11/29/1989, dated 11/29/1989

In Belton from FM 436 southwestward, westward, and northward to FM 439, a distance of approx. 6.1 miles.  (Bell County)  New description; as requested by District, section of approx. 3.0 miles of FM 3467  transferred to SL 121.