CA-101 Traffic in California

• CA-101 California Accident Reports (21)
• CA-101 California Weather Conditions (1)

DOT Accident and Construction Reports

• Full closure due to Reconstruct Ramp between Posilipo Ln S/B ON and Route 101

  Road Closed

  TYPE: Miscellaneous

CA-101 CA News Reports

• Maria Ygnacio Bike Path Closed at U.S. Highway 101

  • California
  • Santa Barbara
  • US 101

  • source: Bing
  • 18 views
  • Feb 27, 2026 11:06am
  101

  Press releases are posted on Independent.com as a free community service. Read More

• Caltrans Removes Encampment From Highway 101 Near San Luis Obispo

  • California
  • S Coast Highway 101

  • source: Bing
  • 16 views
  • Feb 27, 2026 08:36am
  Caltrans crews cleared an encampment site in San Luis Obispo, removing debris as part of public safety efforts. Read More

• Redwood City buys more land for interchange work

  • California
  • San Mateo
  • US 101

  • source: Bing
  • 1 view
  • Feb 27, 2026 02:30am
  101

  The Redwood City Council approved another resolution of necessity to acquire a driveway off of Broadway for $1,550 as the latest step toward improving the Woodside Road / Highway 101 interchange. Read More

• Big rig fire creates traffic jam on Highway 101 in S.F.

  • California
  • US Highway 101

  • source: Bing
  • 28 views
  • Feb 25, 2026 2:04pm
  101

  A big rig burst into flames on southbound Highway 101 near San Francisco's Portola neighborhood Wednesday, creating a traffic jam for miles. Read More

• Highway 101 Traffic Disrupted by Weeklong Civic Center Drive Intersection Closure in San Rafael

  • California
  • US 101 Near San Mart

  • source: Bing
  • 33 views
  • Feb 25, 2026 11:56am
  101

  Caltrans will close the Civic Center Drive and Redwood Highway intersection along Highway 101 in San Rafael beginning Thursday, February 26, as part of the Manuel T. Freitas Roundabout Project. The ... Read More

• Semitruck 'fully engulfed' in flames on San Francisco highway

  • California
  • Highway

  • source: Bing
  • 25 views
  • Feb 25, 2026 11:56am
  San Francisco drivers are experiencing major delays on Wednesday because of a massive vehicle fire on the southbound side of Highway 101. Read More

• Traffic Collision on Highway 101 North near Mendocino Results in Vehicle Over Embankment and Ambulance En Route

  • California
  • Route 101 N

  • source: Bing
  • 40 views
  • Feb 24, 2026 9:06pm
  101

  A traffic collision occurred at 9700 Highway 101 N in Mendocino, resulting in a semi-truck versus mini-van incident. The ambulance was en route to the scene as the semi-truck was off the roadway. The ... Read More

• IDs given for 2 men killed in 101 crash, woman in Hwy 126 collision

  • California
  • Hwy

  • source: Bing
  • 45 views
  • Feb 23, 2026 7:20pm
  Authorities named the two men killed in a Highway 101 crash in Ventura Feb. 14 and the woman killed in a collision on the 126 near Fillmore Feb. 16. Read More

• Traffic Collision at Highway 101 North and Singley Lane, Ambulance En Route for Overturned SUV and Trapped Individual

  • California
  • Route 101 N

  • source: Bing
  • 17 views
  • Feb 22, 2026 4:00pm
  101

  A traffic collision occurred on Highway 101 North at the Singley Lane onramp, with an ambulance en route. At 5:04 PM, the second lane was blocked, and three parties were possibly inside the vehicle. A ... Read More

• Traffic Hazard on Highway 101 North at Mile Marker 114.50 Leads to Lane Closures on Both Sides of the Road. California Highway Patrol Contacting Caltrans for Assistance. School ...

  • California
  • US Highway 101

  • source: Bing
  • 29 views
  • Feb 21, 2026 12:54pm
  101

  There was a traffic hazard reported on Highway 101 North at Hum 114.5. Both lanes were affected, and the California Highway Patrol was contacted. Officers were inquiring with the California Department ... Read More

• Big-rig crashes on Highway 101 in North Bay

  • California
  • Hwy

  • source: Bing
  • 40 views
  • Feb 20, 2026 09:43am
  (KRON) - Traffic snarled on Highway 101 northbound and backed up toward Rohnert Park Friday morning after a big-rig truck crashed. The big-rig crashed on Highway 101 near Todd Road and its trailer ... Read More

• Semitruck crash blocks Highway 101 lane in Santa Rosa, causing delays

  • California
  • US 101 Near Rohnert

  • source: Bing
  • 34 views
  • Feb 20, 2026 08:24am
  101

  A big rig lost control on the freeway north of Todd Road in Santa Rosa, causing a miles-long backup to Rohnert Park. Read More

• Bay Area woman charged with murder for Hwy. 101 crash that killed her mother

  • California
  • US 101 Near Rohnert

  • source: Bing
  • 29 views
  • Feb 20, 2026 03:48am
  101

  Kenia Marcela Alegria made her first court appearance Thursday in connection with the alleged DUI on Highway 101 in Petaluma. Read More

• Six Injured in Multi-Vehicle Crash on Highway 101 in San Luis Obispo County

  • California
  • US 101 Near San Mart

  • source: Bing
  • 23 views
  • Feb 19, 2026 10:07am
  101

  Six people were injured in a multi-vehicle collision on southbound Highway 101 near Vineyard Drive in San Luis Obispo. Read More

• Traffic Hazard Reported at Highway 101 South and 14th Street Onramp: Unknown Debris Between Lanes, California Highway Patrol Notified

  • California
  • Route 101 South

  • source: Bing
  • 24 views
  • Feb 19, 2026 09:05am
  101

  AI SUMMARY: At 8:33 AM, a traffic hazard was reported at the Highway 101 South and 14th Street onramp. There was unknown debris in between the lanes, and the California Highway Patrol was contacted ... Read More

• Novato woman arrested in fatal crash near Petaluma, victim identified

  • California
  • Novato
  • US 101

  • source: Bing
  • 31 views
  • Feb 18, 2026 9:53pm
  101

  Two women were thrown from their vehicle in a Highway 101 crash on Feb. 11. One died at the scene and the other was taken to a hospital with the driver, according to the California Highway Patrol. Read More

• Multi-vehicle crash injures 6, blocks traffic on Hwy. 101 in SLO County

  • California
  • US Highway 101

  • source: Bing
  • 34 views
  • Feb 18, 2026 1:36pm
  101

  At 3:13 p.m, the California Highway Patrol received reports of four vehicles involved in a crash on the southbound side of Highway 101 south of Vineyard Drive, according to the CHP's Traffic Incident ... Read More

• Traffic Collision on Highway 101 North Results in Ambulance Being Dispatched to Scene near Humboldt Mile Marker 109.50

  • California
  • Route 101 N

  • source: Bing
  • 29 views
  • Feb 17, 2026 4:37pm
  101

  A traffic collision occurred on Highway 101 North at mile marker 109.50, with an ambulance en route. Fortunately, there were no injuries reported. The vehicle involved went off the road but was ... Read More

• Vehicle Rollover on Highway 101 Results in Major Injuries, Tow Truck En Route

  • California
  • Route 101 N

  • source: Bing
  • 28 views
  • Feb 17, 2026 4:37pm
  101

  PM on Highway 101 North near Hum 115, the California Highway Patrol responded to a traffic collision involving a single vehicle that was overturned. The male driver was out of the vehicle and there ... Read More