CA-4 Traffic in California

• 4 Antioch Traffic
• 4 Stockton Traffic
• 4 Discovery Bay Traffic
• 4 Concord Traffic
• 4 Pittsburg Traffic
• 4 Hercules Traffic
• Other Cities Along CA-4
• CA-4 California Accident Reports (13)
• CA-4 California Weather Conditions (10)

DOT Accident and Construction Reports

• Accident on CA-4 / W Highway 4 from Byron Hwy (Brentwood) (East) (CA-4) to Tracy Blvd (CA-

  TYPE: Accident Serious

• Accident on CA-49 / State Highway 49 from US-50 (CA-49) to Gold Rush Ln (CA-49).

  TYPE: Accident Serious

• Accident on I-5 N / CA-4 E from I-5/W Charter Way (CA-4) to I-5 (CA-4).

  TYPE: Accident Serious

• Accident on CA-49 / CA-193 / State Highway 49 from Old Foresthill Rd (CA-193/CA-49) to CA-

  TYPE: Accident Serious

• Accident on CA-4 E from S Wilson Way (CA-4) to Filbert St (CA-4).

  TYPE: Accident Serious

• Accident on CA-4 / W Highway 4 from Roberts Rd (W Charter Way/CA-4) to Tracy Blvd (CA-4).

  TYPE: Accident Serious

CA-4 CA News Reports

• Hwy. 46 construction nears major milestone with bridge work. See photos

  • California
  • Antelope Hwy

  • source: Bing
  • 12 views
  • Oct 01, 2025 05:00am
  The bridges are part of a $148 million project to widen Highway 46 from a two-lane highway to a four-lane expressway, from west of Davis Road to west of Antelope Road, Caltrans said in a Sept. 29 news ... Read More

• Northbound I-5 off-ramp to Highway 46 set to close temporarily on Oct. 2

  • California
  • I5

  • source: Bing
  • 10 views
  • Sep 30, 2025 4:36pm
  Caltrans has announced a daytime off-ramp closure on Interstate 5 on Thursday, October 2, for electrical maintenance operations. The northbound I-5 off-ramp to ... Read More

• 70 years ago today, a Tulare man was involved in James Dean's death

  • California
  • Central Fwy

  • source: Bing
  • 9 views
  • Sep 30, 2025 1:28pm
  James Dean, the 24-year-old actor, was killed in a car crash at the intersection of Highway 41 and Highway 46 in San Luis Obispo County, California, 70 years ago today. Read More

• New Roundabout at Highway 41 and 10 Intersection Set to Open in Carver County

  • California
  • Hwy 41

  • source: Bing
  • 15 views
  • Sep 30, 2025 08:26am
  A new roundabout at Highway 41 and Highway 10 in Carver County is scheduled to open, aiming to improve traffic flow and safety. Initially, it will be single-lane, with construction continuing for a ... Read More

• Caltrans Traffic Advisory for Mariposa County: One-Way Traffic Control Delays Expected on State Route 49 for September 28 - October 4, 2025

  • California
  • Mariposaay

  • source: Bing
  • 8 views
  • Sep 27, 2025 07:12am
  One-way traffic control from Mariposa Creek to Bear Valley Road for tree work beginning Saturday, September 27, through Sunday, September 28, 2025, from 8:00 a.m. to 4:30 p.m. Read More

• Contra Costa Co.: Westbound Hwy 4 Closed For Overnight Paving

  • California
  • Hwy4

  • source: Bing
  • 5 views
  • Sep 26, 2025 6:04pm
  Westbound state Highway 4 will be closed overnight between Cummings Skyway and San Pablo Avenue in Contra Costa County for repaving starting Monday, Caltrans said. Read More

• Temporary Road Closure Of Highway 49 In Calaveras County

  • California
  • 9341 Highway 49

  • source: Bing
  • 31 views
  • Sep 26, 2025 10:13am
  South Main Street / Highway 49 will be closed from St. Patrick's Church to Vallecito Road / Highway 4 bypass from 2 p.m. to 3 p.m. Travelers can use Highway 4 at the Highway 49 intersection to avoid the ... Read More

• VOTE: Is building a roundabout on Highway 41 in Kettleman City a good idea?

  • California
  • Hwy 41

  • source: Bing
  • 24 views
  • Sep 25, 2025 1:23pm
  Community members in Kettleman City finally have a timeline for a long-awaited traffic project.At town hall Wednesday led by Kings County Supervisor Richard Va ... Read More

• Motorcyclist dies in head-on crash on Highway 49

  • California
  • Placerville Rd

  • source: Bing
  • 52 views
  • Sep 22, 2025 11:34am
  A Sacramento man died Saturday afternoon after his motorcycle collided with a pickup on Highway 49, according to the California Highway Patrol - Placerville. Read More

• Mississauga's weather, highway closures and top stories on Sept. 21

  • California
  • I5

  • source: Bing
  • 29 views
  • Sep 21, 2025 03:17am
  Expect a mainly clear sky this morning and closures on Highway 10, Highway 401, Highway 403, Highway 410, Highway 9 and Queen Elizabeth Way ... Read More

• Motorcyclist dies in head-on crash on Highway 49 in El Dorado County

  • California
  • CA-49

  • source: Bing
  • 56 views
  • Sep 20, 2025 7:31pm
  A motorcyclist died after crashing head-on with a pickup truck in El Dorado County on Saturday, the California Highway Patrol said. Read More

• Motorcycle crash reported on Highway 49 in Yuba County

  • California
  • Fwy

  • source: Bing
  • 21 views
  • Sep 20, 2025 3:28pm
  A solo motorcycle crash was reported Saturday afternoon in the Oak Valley area of Yuba County, California Highway Patrol logs show. CHP was dispatched around 1:50 p.m. to Highway 49 and Oak Valley ... Read More

• Caltrans worker killed on Highway 4

  • California
  • Route 4

  • source: Bing
  • 6 views
  • Sep 19, 2025 3:00pm
  4

  The California Department of Transportation mourns the death of Mahdi Khorram, a department employee who was killed yesterday while working on Highway 4 in Contra Costa County. According to a ... Read More

• Caltrans To Make Adjustments To Contentious New Median In Murphys

  • California
  • Murphys
  • CA-4

  • source: Bing
  • 31 views
  • Sep 19, 2025 10:30am
  Community members of Murphys have been raising concerns about a new raised concrete median that was recently installed on Highway 4 near the intersection of Big Trees Road / Tom Bell Road. Read More

• Dump truck hits, kills Caltrans worker near Martinez on Highway 4

  • California
  • E Highway 4

  • source: Bing
  • 5 views
  • Sep 18, 2025 4:42pm
  A Caltrans worker who was struck by a vehicle in a construction zone west of Martinez has died, state officials announced Thursday. Read More

• Caltrans worker hit, killed by truck on Highway 4 in Martinez

  • California
  • Cummings Skyway

  • source: Bing
  • 51 views
  • Sep 18, 2025 4:09pm
  Khorram was a construction inspector and transportation engineer with Caltrans, based at the agency's Concord office. The incident occurred at 1:30 a.m. Thursday on Highway 4 near Cummings Skyway in ... Read More

• Contra Costa Co.: Caltrans Engineer Struck, Killed By Truck At Hwy 4 Construction Site

  • California
  • E Highway 4

  • source: Bing
  • 7 views
  • Sep 18, 2025 07:38am
  A 39-year-old Caltrans engineer died Thursday after being hit by an asphalt truck during construction work on state Highway 4 in Contra Costa County, Gov. Gavin Newsom's office announced. Read More

• Murphys residents frustrated over new median on Highway 4

  • California
  • Route 4

  • source: Bing
  • 18 views
  • Sep 18, 2025 01:41am
  4

  Murphys residents express frustration over a new median installed by Caltrans on Highway 4, citing safety concerns and business impacts. Read More

• Tractor trailer carrying 7,800 gallons of milk involved in fatal crash with vehicle near Canal Point

  • California
  • CANAL RD

  • source: Bing
  • 24 views
  • Sep 17, 2025 3:45pm
  At around 12:15 p.m. Wednesday, PBCFR responded to an accident on US Highway 441 between Hole in the Wall Road and Morning Star Farms Road. Read More