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Route 45 is a critical east/west route and traffic is expected to increase substantially by the year 2030. These improvements will accommodate development, and most important, improve traffic safety. It will also create a safe, efficient, environmentally sound, and economical transportation facility that meets the needs of the area.

News and Notes:

The City of Parkville host a ribbon cutting ceremony for the Route 45 Widening Project on Wednesday, Dec. 13 at 3 p.m. in Parkville, MO. The project is complete!

What is MoDOT doing and how will this benefit me?

MoDOT will continue to widen Route 45 to four lanes from I-435 to Route K. This project will also include retaining walls along the road, adding a roundabout, and building a trail that begins at Route K and ends at Brink Myers Road. The goal is to increase capacity for more vehicles, improve intersection safety and increase driver sight distance by flattening the hills.

Recent Activity:

Phase 2 of the project has begun and Phase 1 will be subsequent to Phase 2 beginning in the spring of 2017. Phase 3 is expected to begin in later summer of 2017.

Back on Monday, Oct. 24, 2016, the final phase of the Route 45 widening project kicked off with a ground breaking ceremony.

Overview of Project Phasing:

  • Phase 1 - Construction of the round-about at Brink Myers Road and removal and replacement of roadway between Brink Myers Road and Brightwell Road. (7 to 9 months)
  • Phase 2 - Removal and replacement of roadway between Brightwell Road and the Nevada-Timber Ridge Intersection (3 to 5 months)
  • Phase 3 - Removal and replacement of roadway between Nevada-Timber Ridge Intersection and Route K. (3 to 5 months)

Maintenance of Traffic:

MO-45 will be closed to through traffic during phases 2 and 3. Motorists will be detoured using I-435, Route 152 and Route K. Local traffic will be allowed to access their property using reduced speed limits and caution. This will allow all residents to enter and exit their properties and not jeopardize worker safety.

Completion Date:

  • December 1, 2017

How is this project funded?

This is a jointly funded project between MoDOT, the City of Parkville and Platte County.

  • Missouri Dept. of Transportation:  $5.3 million
  • Federal Surface Transportation Funds – administered by City of Parkville:  $5.7 million
  • Local Funds–Platte County:  $1.5 million    


  • Clarkson Construction Company

How do I learn more?

Click the links below to review the project display boards


Please contact Markl Johnson, MoDOT Senior Customer Relations Specialist, at 816-607-2151 or markl.johnson@modot.mo.gov. for comments and/or questions.

verticle rule


customer survey

Click here to review photos

of the corridor and previous work



Click here to review the

project flyer

road notes


For updates follow us on Twitter and Facebook. Or add your name to the project update e-mail list. Questions or comments? Call us 1-888-ASK-MODOT (275-6636) or submit a comment form online.

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