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Project Description

DeckPour63YMBooneRoadwork on Route 63 and the Y/M Interchange in Ashland has begun. This is a part of a large project encompassing multiple improvements, including:


  • Bridge deck and substructure repairs on the Route M and Y overpass, and a new driving surface.
  • Adding a J-turn on Route 63 just south of Peterson Lane, which will replace the existing median crossovers at Liberty Lane and Peterson Lane
  • Installing roundabouts on Routes M and Y at the Route 63 overpass
  • Pavement repairs throughout the Route 63 corridor between Route WW in Columbia and U.S. 54 in Callaway County
  • A new overlay with shoulder sealing from Route WW to U.S. 54 in Callaway County

Project Information

Contractor: APAC - Missouri
Contract Cost: $8,481,805.37
Project Length: 26.9 miles
Project Administration: Columbia Project Office
Completion Date: November 1, 2014




FAQ Boone63YM

Boone County Route 63 and YM Interchange FAQ

project overview

Construction Map



What's a J-turn? Are they safer?

Click here for more information about Central District J-turns and how J-turns are safer than traditional four-lane highway intersections.

What is a Roundabout?

Click here for more information about roundabouts

Are roundabouts safer than regular four-way stop intersections? Myth or fact? See what the stars of the hit Discovery Channel show Mythbusters thought when they put it to the test:


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