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I-45 South Walker County Project

The purpose of this project is to enhance freight mobility and address congestion along the I-45 corridor. The project limits are from the Walker/Montgomery County Line to the south end of Huntsville, with a length of 12.4 miles. No additional right of way is required and construction is estimated to begin in 2016.


  • The freeway within the project limits was constructed in the early 1960s
  • Passenger and truck traffic has greatly increased during the 50-year lifespan of the facility
  • I-45 serves as the primary hurricane and disaster evacuation route for metro Houston and Galveston

Proposed Improvements

  • Replace existing main-lane pavement with new pavement
  • Widen to six travel-lanes (three north and three south) with a center concrete traffic barrier instead of a grass median
  • Extend and replace drainage
  • Replace all existing bridges
  • Add a new direct connection from northbound I-45 to northbound SH 19
  • Reconstruct ramps to current standards
  • Reconstruct frontage roads and crossroads adjacent to new ramps and interchanges

Get Involved


Contact Us

TxDOT Bryan District
Director of Transportation Planning and Development
2591 N. Earl Rudder Freeway
Bryan, TX 77803-5190

(979) 778-9707