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I-35 Waco Project 4B - Waco North from 12th St. to N. Loop 340


This project includes widening the mainlanes to four lanes in each direction and improving frontage roads and interchanges from 12th St. to N. Loop 340.

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Construction Activities

Beginning as early as April 28, 2019 the following activities are anticipated weather and field conditions pending.

  • Northbound mainlanes reduced to two lanes
  • Southbound exit ramp for 4th – 5th Streets permanently removed, use exit 335B for University Parks Dr.
  • Pedestrian bridge at 8th St. permanently removed, use ground-level intersection
  • Various lane closures along frontage roads
ramp and pedestrian bridge closures
southbound frontage road intersection closures


  • Improve safety and mobility
  • Add capacity
  • Incorporate technology
  • Enhance aesthetics

Project Description

This project will improve I-35 in Waco from 12th Street to N. Loop 340.

Improvements include:

  • Widening mainlanes to 4 lanes in each direction.
  • Improving frontage roads and ramps.
  • Reconstructing bridges and improve interchanges.
  • Adding U-turns.
  • Improving bicycle and pedestrian access.


  • Construction Cost: $341 million


  • Construction begins in May 2019 and is anticipated to be complete in 2024.
  • Initial construction activity starts on the frontage roads and the northbound mainlanes. Northbound mainlanes will be reduced to two lanes in various locations.


Project Vicinity Map

Project 4b map


Project Hotline (call or text)
(254) 313-WACO (9226)

TxDOT Waco District
100 S. Loop Dr.
Waco, TX 76704-2858

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