BAKERSFIELD, Calif. — The California Highway Patrol is investigating a crash that has left one lane of traffic blocked on northbound I-5 on the Grapevine.

According to the California Highway Patrol Traffic Incident website, the crash happened around 7:30 p.m. Thursday on I-5 just north of Grapevine Rd.

Initial reports show the crash involved a truck and a semi-truck.

One lane of traffic was blocked as of 7:45 p.m. Thursday.

The extent of injuries are unclear at this time.

This is a developing story, check back for updates.