A multi-car collision blocked southbound frontage lanes of traffic near Highway 99 in South Sacramento.
At least three vehicles were involved in the crash, which was reported just after 10:30 a.m. Sunday.
California Highway Patrol reports several people are injured.
The crash is located north of the East Stockton Boulevard off-ramp on the southbound side of the freeway.
It’s unclear whether traffic is being diverted or if there are lane closures at this time.