At least three separate vehicle collisions were slowing traffic on Highway 101 over the Cuesta Grade during the evening commute on Tuesday.
The first crash happened at about 5:20 p.m. in the northbound lanes just north of the Cuesta Summit. Multiple vehicles were involved and the #1 lane was blocked, according to the California Highway Patrol.
At 5:35 p.m., another crash was reported in the same area. And just before 6 p.m., a rear-end crash occurred on the San Luis Obispo side of the Grade.
No major injuries have been reported as a result of the collisions.