CA-20 Traffic in California

• 20 Yuba City Traffic
• 20 Nevada City Traffic
• 20 Grass Valley Traffic
• 20 Upper Lake Traffic
• 20 Soda Springs Traffic
• 20 Ukiah Traffic
• Other Cities Along CA-20
• CA-20 California Accident Reports (2)
• CA-20 California Weather Conditions (10)

DOT Accident and Construction Reports

• Accident on CA-20 / State Route 20 from Uren St/CA-49 (CA-49/CA-20) to S Ponderosa Way (CA

  TYPE: Accident Serious

• Accident on CA-20 / State Highway 20 from Washington Rd (CA-20) to Lupine Point Rd/Ridgewo

  TYPE: Accident Serious

CA-20 CA News Reports

• 2 dead in suspected DUI crash in Colusa County, CHP says

  • California
  • 7434 Colusa Hwy

  • source: Bing
  • 8 views
  • May 12, 2026 12:24pm
  Two people died following a crash on Highway 20 in Colusa County on Friday, according to California Highway Patrol. Read More

• Part of North Cascades Highway remains closed for major repairs

  • California
  • CASCADE HWY N

  • source: Bing
  • 26 views
  • Apr 30, 2026 2:38pm
  Motorists hoping to enjoy a drive through the North Cascades or avoid a long detour to the Methow Valley will need to be patient, as parts of State Route 20 remain closed because of significant damage ... Read More

• North Cascades Highway reopening delayed after slide, flood damage

  • California
  • CASCADE HWY N

  • source: Bing
  • 25 views
  • Apr 24, 2026 06:00am
  Highway 20 has been closed for the season between milepost 134 at Ross Dam trailhead to milepost 178 at Early Winters since early December. Read More

• Rockslide forces closure of North Cascades Highway near Colonial Creek

  • California
  • CASCADE HWY N

  • source: Bing
  • 11 views
  • May 04, 2026 7:55pm
  A rockslide has shut down State Route 20 in both directions between Colonial Creek Campground and Ross Dam Trailhead in North Cascades National Park. The closure follows winter damage and ongoing ... Read More

• Smoother ride coming soon to State Route 20 in Nevada County: Paving project will improve nearly 26 miles of highway

  • California
  • Route 20

  • source: Bing
  • 23 views
  • Apr 27, 2026 5:52pm
  20

  Work is underway on a $34.6 million pavement rehabilitation project along State Route 20 (SR 20) in Nevada County that will extend the service life of the existing pavement and ... Read More