(KRON) -- A fatal crash on eastbound Highway 4 in Pittsburg shut down all lanes Friday morning. A severe traffic alert was issued at 5:33 a.m. before all lanes were reopened over three hours later. The crash occurred west of Railroad Avenue. Eastbound traffic of Highway 4 was diverted off at Bailey Road during the closure. All lanes were reopened at 9 a.m. According to CHP’s incident log, a disabled vehicle was blocking the middle lane before another vehicle collided with it. Further details of the crash or involved victims were not immediately available. Motorcyclist killed in collision with power pole in Livermore Motorists were advised to seek alternative routes and expect residual delays in the area.