Traffic on southbound Highway 99 through central was backed up Monday morning following a major injury collision south of McKinley Avenue, the California Highway Patrol reported.
According to the Twitter post by Caltrans, six vehicles were involved in the crash. The tweet said southbound highway traffic was backed up nearly to the Herndon Avenue ramps as of about 8 a.m.
The crash occurred shortly before 7:30 a.m. There was no information about when the highway would be cleared.