I-35 at Williams Drive

Overview:

The proposed project includes reconstructing the I-35 and Williams Drive interchange, adding operational improvements from North Austin Avenue to Rivery Boulevard, and extending the northbound frontage road from Williams Drive to the Lakeway Drive exit ramp.

Need & Purpose
  • Improve safety and mobility, including:
    • Address increased turning movements at Williams Drive intersection
    • Move north/south through-traffic from Williams Drive intersection to a new bypass lane under Williams Drive
    • Add a northbound frontage road between Williams Drive and Lakeway Drive exit ramp
Project Description
  • Reconstruct the Williams Drive interchange to a Diverging Diamond Intersection
  • Improve the existing southbound frontage road
  • Extend the northbound frontage road from Williams Drive to the Lakeway Drive exit ramp
  • Construct intersection bypass lanes under Williams Drive to allow drivers to avoid the traffic signal
  • Improve bicycle and pedestrian accommodations along the I-35 frontage roads
Funding
  • Project development funded by TxDOT
  • Construction funded by Capital Area Metropolitan Planning Organization and TxDOT
  • Construction cost: $52 million
Schedule
  • Finalized schematic and environmental documentation: anticipated summer 2017
  • Begin Plans, Specifications and Estimates (PS&E): anticipated summer 2017
  • Complete PS&E: anticipated mid-2021
  • Construction letting: anticipated mid-2021
  • Construction start: anticipated mid-2021
  • Construction completion: anticipated mid-2023
Downloads

Project Vicinity Map

I-35 at Williams Drive

Contact

Public Information Officer

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

(512) 832-7000

Email