UPDATE (2:30 p.m.) - Two people were killed Wednesday in a crash on Highway 1 in Arroyo Grande.
It happened at about 4:45 a.m. at Winterhaven Way, which is near the Phillips 66 oil refinery.
According to the California Highway Patrol, a 38-year-old man from Grover Beach was driving a pickup truck southbound on Highway 1 when he started to make a left turn onto Winterhaven Way into the path of a Honda Civic that was traveling northbound.
The two vehicles collided head-on and the two people in the Honda were killed. The driver of the pickup suffered moderate injuries.
The California Highway Patrol is investigating the crash. They are asking anyone with further information to contact the CHP San Luis Obispo office at (805) 594-8700.
UPDATE (6:48 a.m.) - CHP is reporting the crash as fatal, though it is unknown how many individuals were involved in the crash.
Traffic is now being diverted for one way only.
(5:48 a.m.) - An early morning crash involving two cars Wednesday morning closed part of Highway 1 in Arroyo Grande.
First reported by the California Highway Patrol at 4:47 a.m. near the Winterhaven Way and Willow Road/Highway 1 intersection.
Both lanes of the road are blocked as of posting, and Caltrans has set up a closure. Drivers should avoid the area for the time being.
This is a developing story, and more information will be released as it becomes available.