VALLEJO, Calif. (KRON) — A large crash involving a big rig truck slowed traffic on Interstate 80 in Vallejo on Thursday. All eastbound lanes on Interstate 80 west of State Route 37 are blocked as crews work to remove the big rig, Caltrans said on Twitter.

One lane on westbound I-80 in the same area was also shut down as well by the crash, according to California Highway Patrol. CHP said there were 5 vehicles involved. Authorities have not released information about injuries at this point.

Caltrans said traffic is being diverted to Columbus Parkway. Drivers were told to expect delays and avoid the area. There is no estimated time to reopen the roadway.

This is a developing story. Stick with KRON4 for updates.