Emergency crews are responding to a single-vehicle rollover accident on Interstate 5 in Vancouver, according to emergency radio traffic monitored at The Columbian.
The crash occurred about 2:15 p.m. in the northbound lanes of the freeway, south of the ramp to state Highway 500 eastbound.
Traffic monitors at the Washington Department of Transportation showed stop-and-go traffic between the accident site and the Fourth Plain Boulevard exit.
