Highway Designation File

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


Certified Mileage (Open to Traffic)
5.186 2010

STATE HIGHWAY LOOP NO. 343

Minute Order 049608, dated 05/30/1961; Adm. Cir. 093-1961, dated 06/15/1961

Austin Loop - From SH 71 east of Austin near Bergstrom Air Force Base, northward along US 183; thence westward and southward along the old locations of SH 71 and US 290 through Austin to US 290 near western edge of Austin.  (Travis County)  New designation; mileage transferred from the old locations of SH 71, from near Bergstrom Air Force Base to IH 35; and US 290, from IH 35 to new location of US 290 west of Austin.



Adm. Auth., dated 02/25/1977; Adm. Ltr. 003-1977, dated 03/15/1977

From SH 71 east of Austin near Bergstrom Air Force Base, northward along US 183; thence westward along 7th St, IH 35, and 1st St to Lamar Blvd; thence southwestward to US 290 near western edge of Austin.  (Travis County)  New description; rerouted along 1st St. and IH 35 frontage rds.  Sections along Lamar Blvd., 5th & 6th Sts, Neches St, and 7th & 8th Sts., from 1st St to IH 35, removed.



Adm. Auth., 11-10-86; Adm. Ltr. 001-1987, dated 01/22/1987

In Austin, from IH 35 westward along W. 1st St to Lamar Blvd; then southwestward along Lamar Blvd to US 290 and SH 71, a total approx. distance of 4.4 miles. (Travis County). As requested by District, section of approx. 4.8 miles, from SH 71 in southeastern Austin, northward along Lamar and eastward along 1st St to IH 35, returned to the City of Austin for maintenance.