Image of US-101 road sign Highway US-101 South Traffic & Road Conditions in California

As of Thursday 9:49PM, there are 3 CHP incidents happening now, details and live traffic maps below. Access 250 live traffic cameras, details on CalTran's 56 active lane closures, current restricted road conditions, and more.
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Traffic Collisions & Alerts on US-101 South


Traffic Collision on US-101 South at Lucas Valley Rd Off-ramp with Ambulance En route in Marin

fire en route

  • [Chp]-problem Changed From Traffic Collision-unknown Injury To Traffic Collision Ambulance En Route By Chp
  • Fire En Route

Traffic Collision on US-101 South at Sir Francis Drake Off-ramp with Unknown Injuries in Marin

party heard crash

  • Freeway Service Patrol Has Closed Their Incident [250213ggfsp0505]
  • Freeway Service Patrol Has Closed Their Incident [250213ggfsp0504]
  • Valley Tow Back On Top
  • 80 - Put Valley Tow Back On Top
  • Roadway Clear
  • 34-s2 Roadway Clear
  • #4 Blocked For Another 5-10 Min
  • Ata South 415-455-9911 On Exp
  • Valley Tow 415-457-1691 On Exp
  • CHP Unit B34-080 - Arrived On Scene All Lanes Blocked
  • 115- Tow Truck X2 - Lexus Sd With Major Front End Broken Front Axle / Start Rotation For Honda Mini Van As Well - Unit Copies Aaa Started
  • CHP Unit B34-080 - Vis From Northbound Side / Southbound Just North Of Sfd Fire On Scene
  • [Chp] Has Closed Their Incident [250213gg2005]
  • Traffic Hazard #2 Lane
  • Per Involved In Gray Honda Minivan - Traffic Hazard In Middle Lanes - Neg Driveable - Declined Ambulance .
  • Occupants Possibly Out Of Vehicle On The Right Shoulder
  • Minivan - Traffic Hazard In #3 Lane
  • 1 Vehicle Traffic Hazard #2 Lane
  • 1 Vehicle Traffic Hazard Middle Of The Rd
  • Possibly 2 Vehicle Crash
  • Sees Multiple Vehicles Stopped
  • Party Heard Crash

Traffic Hazard US-101 South at RODEO AVE On-ramp in Marin

tree branch traffic hazard

  • [Chp]-update On Closure - Emergency Lane Closure T101ia Log 5 Is In Effect And Has Been Extended From 2000 - 0800 Hours (02-14-2025) For Lanes 2-4 Due To A Land Slide - Thank You
  • 34-s2 1 2 3 Open / Cal Trans Holding # 4 - Hard Closure En Route - Shutting Down 3-4 For Clean Up
  • [Chp]-emergency Lane Closure T101ia Log 5 Is In Effect From 2000 - 2200 Hours For Lanes 3-4 Due To A Land Slide - Thank You
  • Update Sigalertsouthbound 101 Sheriff's Department Rodeo. Lanes 3,4 Blocked Due To Debris In The Roadway.unknown Eto, Expect Delays
  • DOT Cc - Line 64 -
  • 34-s2 Adv Caltrans This Hill Is Still Sliding There May Be Need For A Hard Closure At Least The 3-4 Lanes
  • Corte Madera Tow/back On Top In Rot
  • DOT Cc
  • 34-s2 Eta For The Scraper Truck?
  • CHP Unit B34-020 - Disregard Tow Truck Put Them Back On Top
  • Issue Sigalertsouthbound 101 Sheriff's Department Rodeo. Lane 4 Blocked Due To Debris In The Roadway.unknown Eto, Expect Delays.
  • [Chp] Has Closed Their Incident [250213gg2118]
  • DOT Cc Line 49
  • S2 - Cal Trans Will Need Scraper Truck
  • Fire
  • DOT Cc - Line 46
  • 20 - Approx 3-4 Yards Of Dirt - Right Hand Shoulder And # 4
  • Corte Madera Tow 415-454-1619
  • S2 - Start Sig Alert - Copies Cms Activated
  • S2 - Start Fire With Chainsaws
  • 20- Start Tow Truck - Possibly Pull Tree Out Of Lanes
  • 20- Tree Blocking # 2 3 4
  • CHP Unit B34-020 - Arrived On Scene Southbound Just South Of Rodeo / Traffic Can Get By # 1
  • Land Slide Traffic Hazard #1 #2 #3 #4
  • Branches Reaching Twds Center Divider
  • Downed Tree ,Possibly A Eucalyptus, Covering Nearly All The Lanes
  • Do Tcc
  • Unknown Other Vehicle Hit Tree -- Unknown If Blocking
  • Do Tcc
  • Tree And Mud Slide Traffic Hazard 3 Lanes
  • Per Another - Hillside Slide 2-3-4 Lanes
  • Rp- Silver Toyota Rav4 Vs Branch -- Continued On / Declined Take A Report /Sag
  • Diameter Bigger Than Reporters Vehicle
  • Traffic Hazard 3 Out Of 4 Lanes
  • Tree Branch Traffic Hazard
Thu
13

What accidents happened on US-101 today?

Tap to see every CHP accident reported today on US-101
Wed
12

What happened on US-101 yesterday?

Tap to see all CHP accidents reported Wednesday for US-101
* NOTE: CHP incident text may be been modified from its original to improve readability, as a result some errors may have been introduced. Data provided by CHP. Official CHP Incidents.

Why is US-101 South closed?

Real-Time Updates on US-101 CalTrans lane closures
Summary of current and upcoming CalTrans lane closures and construction work on US-101 in California.
: There are 56 CalTrans closures this evening including 45 full closures, primarily affecting areas near Ventura Freeway/Route 101, Johnson Dr, Mussel Shoals/Ocean Dr, Westlake Blvd/Route 23, and Lynn Rd.

Upcoming Closures:

4 Closures: Four closures are planned for tomorrow morning, primarily affecting areas near Alisal Road, and Paris Valley Road.
9 Closures: Nine closures are scheduled for mid-day tomorrow, all of which are full closures, primarily affecting areas near Hollywood Freeway/Route 101, Santa Ana Freeway/Route 101, Salinas, Argyle Ave, and Highland Ave.
No lane closures are currently scheduled along US-101 South during tomorrow evening's commute.
104 Closures: One hundred and four closures are planned late this evening and/or overnight, including 59 full closures, primarily affecting areas near Ventura Freeway/Route 101, Barham Blvd, Johnson Dr, Hollywood Freeway/Route 101, and Vineyard Ave/Route 232.
Next 3 Days:
55 Closures: Over the next three days, 55 closures are planned including 24 full closures, primarily affecting areas near Barham Blvd, Hollywood Freeway/Route 101, Santa Monica Blvd/Route 2, Ventura Freeway/Route 134, and San Bernanrdino Freeway/Route 10.
Detailed List of Lane Closures

CalTrans Road Conditions US-101


Detailed List of Road Conditions
US-101

In Southern California

The northbound connector to southbound SR 23 in Thousand Oaks (ventura Co) is closed from 2300 hrs each night to 0600 hrs each morning Tuesday thru Thursday thru 2/13/25 - Due to construction - Motorists are advised to use an alternate route
US-101

In Central California

Southbound traffic is reduced to 1 lane from Spencer Ave to Rodeo Ave in Sausalito (Marin Co) - Due to slides
A high wind advisory is in effect on the Golden Gate Bridge (San Francisco,Marin Co) - Travel is not recommended for campers, trailers, or permit loads
US-101

In Northern California

No traffic restrictions are reported for this area.

Chain Control on US-101 South

Waze Alerts (2)

CalTrans Message Signs for US-101 (23) - See All

Real-time highway message signs with travel times, travel, wind, fog and chain controls alerts and accident conditions.
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