Long stretch of Highway 41 in SLO County closed due to ‘major rockslide’
A long section of Highway 41 on the way to Fresno in northern San Luis Obispo County was closed Monday morning after a rockslide late Sunday night.
The roadway remained closed from north of the Cholame Y interchange to Highway 33 due to a “major rockslide,” the California Highway Patrol’s Templeton office posted on X.
Northbound traffic from Paso Robles was rerouted onto Highway 46 before being detoured back onto Highway 33 while the closure is in effect, according to the CHP.
The detour will add about 30 extra minutes of travel time, Caltrans said on X.
The roadway was originally estimated to be reopened around 8 a.m. Monday, but as of 7:50 a.m., the highway will now “remain closed for an unknown duration,” the agency said in a social media post.
“Thank you for your patience and cooperation,” the CHP said.
Rock slide on Cuesta Grade
On Sunday night, several boulders also tumbled down onto Highway 101 over the Cuesta Grade, closing two lanes.
According to the CHP Traffic Information Page, about five boulders fell into the slow lane.
They had been cleared by Monday morning.
This story was originally published December 29, 2025 at 9:08 AM.