I-35 from SH 29 to Westinghouse Road


Construction of the northbound frontage road and ramp improvements closes a gap in the frontage road network on the northbound side of I-35 from SH 29 to Westinghouse Road.

Need & Purpose
  • Improve safety and mobility
Project Description
  • Complete continuous one-way frontage roads
  • Reconfigure and relocate ramps
  • Northbound frontage road between SH 29 and Southeast Inner Loop Drive
  • Auxiliary lane, or extended entrance/exit lane, to the existing northbound frontage road exit
  • Extended entrance lane to the northbound mainlane
  • Elevated U-turn lane north of RM 2243
  • Sidewalks between Southeast Inner Loop Drive and Westinghouse Road
  • Construction funded by Williamson County Road Bonds and TxDOT Pass Through Finance Program
  • Construction cost: $20 million
  • Finalized schematic and environmental documentation: August 2012
  • Plans Specifications and Estimates: April 2006 – August 2012
  • Construction letting: November 2012
  • Construction start: April 2013
  • Construction completion: November 2015

Project Vicinity Map

SH 29 to Westinghouse Road


Public Information Officer

TxDOT Austin District
P.O. Box 15426
Austin, TX 78761-5426

(512) 832-7000