No injuries in Concord school bus accident

CONCORD, Calif.

The collision was reported on westbound Highway 4 just east of Port Chicago Highway about 8:25 a.m., CHP Officer John Fransen said.

One student was riding on the bus, but no injuries were reported, Fransen said.

A Sig-alert was issued at 8:35 a.m. It was lifted at 9:25 a.m., but the Port Chicago Highway on-ramp remains closed.

The collision remains under investigation, Fransen said.

Traffic was diverted to state Highway 242, just west of Port Chicago Highway, during the closure.

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