I-35 from Stassney Lane to William Cannon Drive

Overview:

The project will reconstruct the bridge structures at Stassney Lane and William Cannon Drive. The frontage road bridge over Williamson Creek will also be reconstructed. New U-turns will be added at Stassney Lane and William Cannon Drive, and the mainlanes will be widened to incorporate shoulders and extended entrance/exit lanes.

Need & Purpose
  • Improve safety and mobility, including addressing:
    • Lane merging/weaving on both northbound and southbound mainlanes
    • Intersection operations at Stassney Lane and William Cannon Drive
Project Description
  • Reconstruct frontage road bridges over Williamson Creek
  • Reconstruct bridge structures at Stassney Lane and William Cannon Drive
  • Construct new U-turns at Stassney Lane and William Cannon Drive
  • Widen mainlanes to incorporate shoulders and extended entrance/exit lanes
  • Reconfigure ramps
  • Improve bicycle and pedestrian accommodations
  • Add new safety and high mast lighting
Funding
  • Project development funded by TxDOT
  • Construction funded by Proposition 1
  • Construction cost: $78.8 million
Schedule
  • Public Open House: December 2013
  • Plans Specifications and Estimates (PS&E): July 2014 - November 2015
  • Finalized schematic and environmental documentation: November 2015
  • Construction letting: November 2015
  • Construction start: July 2016
  • Construction completion: anticipated winter 2019/2020
Project Activity
Downloads

Project Vicinity Map

I-35 at William Cannon and Stassney Lane

Contact

Public Information Officer

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

(512) 832-7000

Email