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logoMoDOT will construct a new diverging diamond interchange for I-435 and Route 210, which includes replacing the twin bridges on I-435 over Route 210 and widening  I-435 to provide three continuous lanes.

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Project Update 5/10/17: Friday, May 12th, crews will close the ramp from Route 210 to northbound I-435 beginning at 10 p.m. and is scheduled to reopen Saturday, May 13 at 2 p.m. to install drainage pipe that runs underneath the ramp.

Wednesday, May 17, crews will close the ramp from Route 210 eastbound to I-435 southbound at the interchange for approximately seven days for ramp resurfacing and widening work.

The Great Midwest Drive intersection is expected to open by the end of the month, weather depending. This intersection will be signalized (traffic signals).

Approximately, May 22, crews will close the ramp from Route 210 eastbound to I-435 southbound permanently.

Approximately, June 1st, crews will shift traffic on Route 210 through the interchange. Vehicles will be pushed to the outside of the roadway in order for our crews to begin work on the center portion of the DDI. Lane drops/closures will continue to be daily and at non-peak hours. Two lanes in each direction on Route 210 will remain open during the morning and afternoon rush hours.

Project Update: 2/27/17: Crews will be closing various lanes on Route 210 near Great Midwest Drive in the coming weeks for new pavement construction work. Work should begin the week of Monday, Feb. 27. Work is weather dependent.


Why is MoDOT doing this project?

The purpose of this project is to enhance capacity and safety of this important existing interchange to accommodate the current and future needs of citizens, visitors and businesses within the area. 

How will this project benefit me?   

The Route 210 and I-435 interchange currently serves nearly 100,000 drivers per day.  This project will enhance capacity of I-435 by providing three continuous through lanes in each direction throughout the interchange. 

Route 210 is an important freight corridor that serves multimodal freight hubs and was last summer from two lanes to four lanes from Eldon Road to MO 291.  The new interchange will be able to accommodate the increased truck and vehicle traffic of Route 210. 

This project will also remove the two uncommon high speed ramps to enhance driver expectancy and safety. Ramp reconstruction will enhance safety by providing increased storage and better turning movements.  This project also includes the alteration of access at Randolph Road which will result in fewer traffic signal challenges and will improve safety. 

What is the project timeline?   

The project is scheduled for letting in June 2016 and construction is scheduled for fall of 2016. 

How is this project funded?  

This project will use MoDOT funding through the Statewide Transportation Improvement Program, which is a combination of state and federal funding.


Click here for project photos


Click here to see the traffic modeling for signal vs. no signal at Randolph Road

Submit a comment to -888-ASK-MODOT (275-6636) or by email: kccustomerrelations@modot.mo.gov
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