New interchange project provides J-turns to Columbia Regional Airport

Friday, August 24, 2012 | 10:07 p.m. CDT

COLUMBIA — Two J-turns between the Discovery Parkway Interchange and Bonne Femme Creek will open to traffic at 10 a.m. Wednesday.

The turns are the first portion of the new interchange project that will give drivers ramp access to the Columbia Regional Airport. The project includes the interchange at U.S. 63 and Route H, a new southbound lane and an outer road system.


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The J-turns replace cross-over intersections designed to improve safety and limit the risk drivers take when navigating the divided highway.

“J-turns create safer traffic movements for people who want to turn,” Travis Kesner, assistant district engineer, said. “There is less traffic to look out for.”

The design allows drivers to safely cross four lanes of traffic by turning right in the same direction, merging into the left lane and making a left turn. 

Other J-turns are already in place in central Missouri as a part of an initiative to lower the number of severe accidents, Kesner said.

The project is due to be completed Nov. 1. More information about the project can be found on the Missouri Department of Transportation’s website.

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