Hard Closure Moved to mm 42 (Grimes Canyon)

2:30 pm – from Cal Trans:

Photo of Cow Cliffs (PM 28.35) this afternoon—courtesy of CHP.


The inclement weather continues to give us more slides at multiple locations, the newest and largest came overnight at Cow Cliffs (PM 28.35), but additional small slides between Cow Cliffs and south of Fuller’s [Grimes Canyon, a little over a mile south of Deetjen’s] (PM 42), require closure to extend to Fuller’s [Grimes Canyon] until further notice.
State Route 1 is now closed between Ragged Pt. (SLO 72.87) and Fuller’s [Grimes Canyon] (Mon 42).
I Motorists may travel north on State Route 1 from Cambria to Ragged Point (SLO PM 72.87) or south from Carmel to Fuller’s [Grimes Canyon](PM 42).
I We are dealing with many challenges/new slide activity, the biggest being at:
o At Cow Cliffs (PM 28.35), where a new slide is still very active and will not be touched until it’s settled. It may take several days to be able to safely open up a lane and be accessible to locals/motorists.
o There is more slide material at Paul’s Slide (PM 21.6)
o Also more slide material at Mud Creek (PM 8.8). One-way reversing traffic control with flaggers at Mud Creek has been suspended until the highway can be cleared.
I ONLY LOCALS may travel north during DAYTIME HOURS from Ragged Pt. to Limekiln (PM 21.3)

The roadway is not passable, including to locals, between PAUL’S SLIDE (PM 21.6) and COW CLIFFS(PM 28.35).

Thank you for your patience and understanding. Our Maintenance, Geotech and Construction crews continue to work collaboratively and diligently, as much as safely possible in response to these rock/mudslides.

Another update will be provided on around mid-morning tomorrow, Wednesday, Feb. 8, or sooner if conditions change.

Susana Z. Cruz nature-flower-blue-motif[1]
Caltrans District 5
Acting Manager
Public Information Office

2 pm – Per CHP website – I have not heard from CT PIO yet on this, but will post here when I do. MM 42 is Grimes Canyon, is 1 mile south of Deetjen’s.


5 thoughts on “Hard Closure Moved to mm 42 (Grimes Canyon)

  1. Thank you for the update Kate, definitely south of Deetjens so we are currently still open!

  2. Oh, boy. Well, at least we are not expecting much rain until Thursday, so maybe it will go back down before it gets dangerous, but the amount of rain received at the higher elevations will be flowing down tonight and tomorrow, I suspect.


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