The two workers were struck by a train between the Walnut Creek and Pleasant Hill stations in 2013.
The driver suffered minor injuries in the accident near South Main Street.
The crash happened early Monday morning, closing four lanes of traffic as the CHP investigated.
There have been no reports of injuries.
The incident was reported at 8:56 a.m. Saturday.
An earlier, rollover crash has been cleared.
The incident was reported at 12:04 p.m.
The incident was reported around 11:42 a.m. Saturday.
The crash involved a Prius and a Mercedes in Alamo.
The incident was reported at 3:52 p.m.
The incident was reported at 10:25 a.m. Tuesday.
The car crashed on state Route 24 early Saturday.