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Route 150 Widening

Project Details:


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Project Status: Work on the roadway is completed. Wrap up work on landscaping will continue through June.


Why is MoDOT doing this project?

MoDOT chose the option that best reflected the context of the community’s needs, future development, and changing land uses. As a result, MoDOT decided to change the original rural typical section to a narrower urban/suburban section.

How does this project benefit me? 

With the goal of keeping traffic calm, yet moving, MoDOT’s design for the improved Route 150 includes:

  • Signalized intersections
  • Lower 45 mph posted speed limit
  • Two 11-foot lanes in each direction
  • A raised median
  • Sidewalks on both sides (from Ward Road to Route 291)
  • Shared use path on the north side (from Horridge Road to Ward Road)

What is the project time line? 

Phase I Construction began in 2008. Phase II and III Construction began in late 2009 and the project is expected to be complete by summer 2012.

Ramp from southbound Route 71 to Route 150 opened in May. Work continues on the northbound 71 ramp to 150 and the new east access road and bridge.

Route 150 mainline lanes have shifted to new pavement from Grand Summit to Lumpkins Fork Creek. Traffic has shiftedt to one-lane, head-to-head traffic on the new alignment for a few weeks to allow completion of intersections on the south (eastbound) side of 150. The new four-lane, divided highway will open from the 71 interchange to Lumpkins Fork Creek by late this winter.

How much does this project cost?

The project is being funded with Amendment 3 dollars totaling approximately $30 million and $17 million of American Recovery and Reinvestment Act funds.

How can I learn more?

For more information, review the project maps and materials listed in the left column. You can also submit a comment, send an e-mail or give us a call. Lend your voice to the transportation process!

ready for pavement

Graded dirt awaits new pavement.



Click the map to see the project details.





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