A portion of Highway 84 in San Mateo County was shut down during Thursday's evening commute due to a traffic accident and hazardous materials incident, officials said.
Portola Road to Foxhill Road was closed in both directions on the highway. Lanes were expected to reopen around 7 p.m.
Authorities recommended motorists during the closure use alternate routes from Highway 35 (Skyline Boulevard). Officials also said Kings Mountain Road, Old La Honda Roads and Highway 92 are also open.