Highway 1 on-ramp to close in SLO County. Here’s when and where
Heads up, San Luis Obispo County drivers.
A major Highway 1 exit will soon close for several hours, according to Caltrans.
Construction crews will work to fix potholes and repair maintenance issues while the closure is underway, the California Department of Transportation said in a Dec. 5 news release.
Here’s what to know:
Where is Highway 1 closure in SLO County?
Caltrans will shut down the southbound Highway 1 on-ramp at Morro Bay Boulevard in Morro Bay, according to the release.
The state road agency said it will post messages and directional signs along the roadway to alert travelers of the closure in advance.
When will freeway on-ramp be shut down?
The Morro Bay Boulevard on-ramp will be shut to traffic from 8:30 a.m. to 3 p.m. on Tuesday, Dec. 9, Caltrans said.
Caltrans urged travelers to drive slowly and carefully in construction zones while maintenance work is ongoing.
“Our crews deserve to get home safely too,” Caltrans said in the release.
This story was originally published December 8, 2025 at 8:47 AM.
