Missouri’s fiscal year 2024 budget from the General Assembly signed into law by Governor Mike Parson provides $2.8 billion in general revenue for the costs to build a third lane of Interstate 70 across the state. The program will plan, design, construct, reconstruct, rehabilitate, and add three lanes in each direction on approximately 200 miles of I-70, from Blue Springs to Wentzville.
The pre-qualified teams are as follows:
- Ames Millstone Weber Joint Venture: Ames Construction, Millstone Weber, Parsons Transportation Group
- Improve 70 Alliance Joint Venture: Emery Sapp & Sons, Clarkson Construction, HNTB, Bartlett & West
- The Walsh Design-Build Team: Walsh Construction, American Structurepoint, RS&H, Olsson
MoDOT will issue the Request for Proposal in July 2024 to these teams. The department will work through the procurement process with the teams, who will submit their proposal for the potential selection of the winning contract in fall 2024. Construction could start as early as spring 2025. There are still opportunities for additional consultants and subcontracting firms to be added to each team.
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This project is scheduled to include the following improvements:
- Add a third lane of travel to eastbound and westbound I-70 between Warrenton and Wentzville
- Interchange improvements in Wright City
- Realignment at the railroad bridge on I-70 between Wentzville Parkway and Route Z
- Interchange improvements at I-70 and I-64/Route 61
- Add a third lane of travel to eastbound and westbound I-64 between I-70 and Route K
