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Route N at 136th Street Intersection Improvements




Project Status: Rout N at 136th will close on March 19.Traffic will be detoured using Route D, I-435 and Route 92.

Why is MoDOT doing this project?

The intersection at Route N and 136th Street carries more than 3,000 vehicles per day. As the area continues to grow and traffic increases, the need for improvements at this busy intersection becomes more evident. MoDOT with Platte County and the Platte City Special Road District will make improvements to the intersection.

How does this project benefit me?

The purpose of this project is to improve traffic safety and provide better access at this busy intersection. Incorporating a roundabout will improve safety and allow the more than 3,000 vehicles driving through the area better access to Route N from 136th Street.

What is a roundabout?

A roundabout is a one-way circular intersection that channels traffic around a central island without traffic signals. Driving in a circle might seem pointless, but is a good thing when it means reaching a destination quicker and safer than before.

A roundabout is a safer alternative to a signalized intersection by providing fewer conflict points. Some signalized intersections have 20 spots where vehicles could collide, but adding a roundabout reduces this number to 8. Fewer conflicts, with slower speeds and calmer traffic can result into as much as 75 percent fewer crashes.


Roundabouts are faster and more economical, allowing traffic to yield at an intersection rather than stop. They can handle larger traffic volumes, and reduce driver delay, eliminating complete stops, which saves time and fuel. Less fuel results in reducing pollution and money spent on gasoline. They also help to eliminate the need for signals, saving approximately $5000 per year in maintenance and electricity.


How do I drive a roundabout
? Drivers slow as they approach the roundabout, yielding to traffic already circulating, keeping vehicles from clogging the circle. When a gap in traffic appears on the left, drivers enter the roundabout by turning right and following the circle until reaching their exits. Splitter islands and lane stripes help keep traffic moving in the right direction.

What is the project schedule?

This project was awarded to Leavenworth Excavating and Equipment Company, Inc. (LENEXCO). Currently, work is underway and the road scheduled to close on Monday, March 19.

Route N will close during construction of the roundabout. Traffic will need to seek an alternate route. A signed detour will be in place to send motorists the safest way around the closure using Route D, I-435 and Route 92.

All work must be finished and the road back open to traffic by the start of the fall 2012 school year. Currently, weather permitting, the road is expected to open by the middle of July.

 

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