An accident in the east-bound I-182 of Pasco backed up traffic all the way across the bridge over the Columbia River and backed up the on ramps from 240 and George Washington Way during rush-hour traffic Tuesday.

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From the Washington Dept of Transportation traffic report:

Collision on I-182 eastbound at milepost 5 near SR 240 Eb is causing some backup and added travel time. Law enforcement is on scene."