DOT grants $2.8 million roundabout contract

Published on Wed, Feb 17, 2010 by Tara Nelson

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The Washington State Department of Transportation is one step closer to building two new roundabouts at the I-5/D Street interchange and the corner of Peace Portal and Marine Drive in Blaine after awarding a $2.8 million contract to Interwest Construction, Inc. of Burlington. Construction will begin after the Winter Olympics in British Columbia are finished.

The safety and traffic-flow improvement project is fully funded by the federal government and will complement improvements the General Services Administration made at the I-5, Peace Arch border.

Crews will build two single-lane roundabouts, one at each on and off ramp intersection, to improve traffic flow and safety at the interchange, and will make modifications to I-5 to help slow drivers down as they approach the border.
In order to speed up construction of the roundabouts and reduce impacts to drivers and local businesses, WSDOT and the city of Blaine have agreed to close part of D Street under the I-5 overpass for 50 days. During the closure, all businesses will remain open and detour routes will be provided to help drivers around the work.

“We want to get in, get them built, and get out as quickly as possible,” project engineer Chris Damitio said. “It’s going to be inconvenient for some drivers and businesses no matter how we build it, but doing it this way should minimize the inconvenience.”

For more project details, visit www.wsdot.wa.gov/Projects/I5/blaineinterchange.