Major injury crash blocks Mission Boulevard in Fremont; traffic impacted on I-880

A crash involving major injuries shut down a main roadway in Fremont Thursday morning and was also impacting traffic on Interstate Highway 880, authorities said.

The crash happened on eastbound Mission Boulevard near Warm Springs Boulevard at about 7:30 a.m. Fremont police said in a community alert that clearing the crash would take about four hours.

There were no immediate details on the number of injuries or the circumstances of the crash.

Eastbound traffic on Mission Boulevard was backed up to the northbound Interstate Highway 880 offramp. The California Highway Patrol said both the northbound and southbound I-880 offramps to Mission Boulevard/State Route 262 were closed because of the crash investigation.

Police urged people to avoid the area.

This is a breaking news update. More information to be added as available.