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SR 500-NE 182nd Ave: Intersection Improvements, 10-day Road Closure


Vancouver, WA — Beginning as soon as August 3, contractor crews working for the Washington State Department of Transportation will work to construct a roundabout in east Vancouver, between the intersection of Fourth Plain Boulevard, also known as SR 500, and Northeast 182nd Avenue. Crash data collected over a five-year timeframe between 2013 to 2017 showed that this intersection had a significant amount of crashes, most of which were rear-end or T-bone crashes. Installing a compact roundabout at this intersection will improve safety by reducing the potential for these severe types of collisions, while keeping traffic flowing through the intersection. 

What to expect

Once construction begins, travelers can expect construction noise and nighttime single lane closures throughout the duration of the project. Beginning as soon as Wednesday, Aug. 3, the intersection of Fourth Plain and NE 182nd Avenue will be fully closed for 10 days, for the installation of the roundabout. 

During the full closure, a temporary traffic signal will be used at NE 88th Street and Ward Road to help keep the traffic moving safely throughout the area. Travelers will need to use an alternate route and should plan ahead for delays. 

Why roundabouts?

A roundabout at this location offers the greatest safety benefit by reducing the potential for severe collisions, while keeping connectivity and improving travel efficiency through the intersection. 

Studies have shown that roundabouts are safer than traditional stop sign or signal-controlled intersections. The Federal Highway Administration determined that roundabouts can increase traffic capacity by 30 percent to 50 percent compared to traditional intersections. 

For more information about this project visit: 

https://wsdot.wa.gov/construction-planning/search-projects/sr- 500-ne-182nd-ave-intersection-improvements 

1 reply
  1. Scott Batson
    Scott Batson says:

    Compared to signals, modern roundabouts are:
    – Proven safer
    – Have less daily delay = less pollution
    – Typically, the least-cost solution over the life cycle of an intersection

    Visit the Insurance Institute for Highway Safety or FHWA for modern roundabout FAQs and safety facts.


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