With a break in the rainy weather, crews will begin installing three small roundabouts on Slater Road, at the on- and off-ramps to Interstate 5, and at Pacific Highway.
Work begins at 7 p.m. Wednesday, Oct. 29, three weeks later than originally scheduled. Persistent rain has delayed the work. Dry conditions are needed for paving.
Crews will work from 7 p.m. to 6 a.m. weeknights. Some lanes will be closed during construction hours, with flaggers guiding drivers.
The work will take two to three weeks to complete, depending on the weather.
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Compact roundabouts are about half the diameter of standard roundabouts and are much less expensive to build — about $100,000 each, compared to $2 million for the full-sized roundabout.
The work is intended to improve safety at the three intersections. Because of heavy traffic at rush hour on Slater, left turns onto the road are difficult. Vehicles waiting on the off-ramps sometimes extend onto the right lane of I-5.
Washington's Department of Transportation created this video to explain the project.