UPDATE: As of 6:40 a.m., the road has been reopened, according to the California Highway Patrol.
Authorities have closed Highway 152 westbound after a multiple-vehicle crash early Wednesday near the Santa Clara/Merced county line.
According to the California Highway Patrol, a big rig and several other vehicles were involved in an injury accident near Dinosaur Point just before 5 a.m.
Both lanes were blocked, with traffic backing up four miles as of 6 a.m. There is no estimated time of reopening. The CHP is urging drivers to stay away from the area and take an alternate route.