Police are investigating a fatal accident in Bucks County.

The accident happened around 5 a.m. Monday at Route 309 South and Pumping Station Road in Richland Township.

State police said the accident involved a small pickup truck and a Trans Bridge bus.

The bus, driven by Ivan Ivanov, had just started through the intersection as the traffic light turned green when it was hit from behind by the pickup truck.

The driver of the pickup truck, Arthur Metcalfe, 75, of Bethlehem, died at the scene.

Ivanov, 53, of Allentown, was not hurt.

Route 309 was closed for several hours.

The investigation is still open.

Anyone with information is asked to call state police at Dublin at 215-249-9191.