Bay Area Road Construction & Traffic Alerts (Live Updates)

ℹ️ Data Source Notice
This page displays real-time roadwork and traffic information retrieved from the 511.org API. Data accuracy and update frequency depend entirely on the information provided by 511.org.
Construction ⚪ Unknown Severity
Location Details
CA-82 N San Mateo Northbound
September 19, 2026 12:38 PM
Caltrans : Roadwork on CA-82 Northbound between Oak Grove Ave (Burlingame) and Broadway (Burlingame). Lane closed until 6 PM. From 4:00 PM Friday, August 28, 2026 to 6:00 PM Friday, October 30, 2026.
Construction ⚪ Unknown Severity
Location Details
CA-82 S San Mateo Southbound
September 19, 2026 12:38 PM
Caltrans : Roadwork on CA-82 Southbound between Broadway (Burlingame) and Oak Grove Ave (Burlingame). Lane closed until 6 PM. From 4:00 PM Friday, August 28, 2026 to 6:00 PM Friday, October 30, 2026.
Construction ⚪ Unknown Severity
Location Details
CA-82 N San Mateo Northbound
September 19, 2026 12:38 PM
Caltrans : Roadwork on CA-82 Northbound between E Poplar Ave (San Mateo) and Peninsula Ave (Burlingame). Lane closed until 6 PM. From 4:00 PM Friday, August 28, 2026 to 6:00 PM Friday, October 30, 2026.
Construction ⚪ Unknown Severity
Location Details
CA-82 S San Mateo Southbound
September 19, 2026 12:38 PM
Caltrans : Roadwork on CA-82 Southbound between Peninsula Ave (Burlingame) and E Poplar Ave (San Mateo). Lane closed until 6 PM. From 4:00 PM Friday, August 28, 2026 to 6:00 PM Friday, October 30, 2026.
Construction ⚪ Unknown Severity
Location Details
CA-116 Sonoma Eastbound
September 19, 2026 12:38 PM
Caltrans : Bridge work on CA-116 Eastbound at Martinelli Rd (Unincorporated). Lane closed. One way traffic control in effect. From 7:00 AM Monday, June 08, 2026 to 3:00 PM Thursday, October 15, 2026.
Construction ⚪ Unknown Severity
Location Details
CA-82 N San Mateo Northbound
September 19, 2026 12:38 PM
Caltrans : Roadwork on CA-82 Northbound between Hillside Dr (Burlingame) and Trousdale Dr (Burlingame). Lane closed until 6 PM. From 5:00 PM Thursday, September 17, 2026 to 6:00 PM Wednesday, January 20, 2027.
Construction ⚪ Unknown Severity
Location Details
CA-82 S San Mateo Southbound
September 19, 2026 12:38 PM
Caltrans : Roadwork on CA-82 Southbound between Trousdale Dr (Burlingame) and Hillside Dr (Burlingame). Lane closed until 6 PM. From 5:00 PM Thursday, September 17, 2026 to 6:00 PM Wednesday, January 20, 2027.
Construction ⚪ Unknown Severity
Location Details
I-280 S Santa Clara Southbound
September 19, 2026 12:38 PM
Caltrans : Roadwork on I-280 Southbound between SouthWest Expy (San Jose) and Bird Ave (San Jose). Right lane and shoulder closed until 4 PM. From 4:00 PM Friday, September 18, 2026 to 4:00 PM Saturday, September 19, 2026.
Construction ⚪ Unknown Severity
Location Details
US-101 S San Francisco Southbound
September 19, 2026 12:38 PM
Caltrans : Roadwork on US-101 Southbound between I-80 W (San Francisco) and Cesar Chavez St (San Francisco). Lane closed until 6 AM. From 10:00 PM Friday, September 18, 2026 to 6:00 AM Monday, September 21, 2026.
Construction ⚪ Unknown Severity
Location Details
US-101 N San Francisco Northbound
September 19, 2026 06:43 AM
Caltrans : Roadwork on US-101 Northbound between Cesar Chavez St (San Francisco) and I-80 E (San Francisco). All lanes closed. Avoid the area. From 11:00 PM Friday, September 18, 2026 to 6:00 AM Monday, September 21, 2026.
Construction ⚪ Unknown Severity
Location Details
CA-128 E Sonoma Eastbound and Westbound
September 19, 2026 06:42 AM
Caltrans : Long-term construction on CA-128 Eastbound and Westbound east of Chalk Hill Rd (Unincorporated). One way traffic control is in effect. Expect delays. From 2:00 PM Sunday, August 30, 2026 to 7:00 PM Wednesday, June 30, 2027.
Construction ⚪ Unknown Severity
Location Details
CA-9 Santa Cruz Northbound and Southbound
September 19, 2026 06:42 AM
Caltrans : Roadwork on CA-9 Northbound and Southbound at Bear Creek Rd (Unincorporated). Lane closed. One way traffic control in effect. From 7:00 AM Monday, August 31, 2026 to 7:00 AM Wednesday, September 30, 2026.
Construction ⚪ Unknown Severity
Location Details
CA-1 S Marin Southbound
September 19, 2026 06:42 AM
Caltrans : Bridge work on CA-1 Southbound at Sir Francis Drake Blvd (Olema). Lane closed. One way traffic control in effect. From 5:00 PM Friday, September 11, 2026 to 5:00 PM Friday, October 16, 2026.
Construction ⚪ Unknown Severity
Location Details
CA-84 E San Mateo Eastbound
September 19, 2026 06:41 AM
Caltrans : Long-term construction on CA-84 Eastbound west of Pescadero Creek Rd (Pescadero). Right lane blocked. Expect delays. From 7:00 AM Sunday, August 30, 2026 to 12:00 AM Friday, October 16, 2026.
Construction ⚪ Unknown Severity
Location Details
CA-116 Sonoma Eastbound and Westbound
September 19, 2026 06:41 AM
Caltrans : Long-term construction on CA-116 Eastbound and Westbound east of Mirabel Rd (Forestville). One way traffic control is in effect. Expect delays. From 2:00 PM Sunday, August 30, 2026 to 3:00 PM Thursday, October 15, 2026.
Construction ⚪ Unknown Severity
Location Details
CA-116 Sonoma Eastbound and Westbound
September 19, 2026 06:40 AM
Caltrans : Long-term construction on CA-116 Eastbound and Westbound at Cazadero Hwy (Duncans Mills). Lane closed. One way traffic control in effect. From 8:00 AM Wednesday, February 18, 2026 to 7:00 PM Friday, April 30, 2027.
Construction ⚪ Unknown Severity
Location Details
CA-116 Sonoma Eastbound and Westbound
September 19, 2026 06:40 AM
Caltrans : Long-term construction on CA-116 Eastbound and Westbound east of Mirabel Rd (Forestville). Left lane closed. Expect delays. From 5:15 AM Tuesday, August 18, 2026 to 3:00 PM Thursday, October 15, 2026.
Construction ⚪ Unknown Severity
Location Details
CA-116 Sonoma Eastbound and Westbound
September 18, 2026 12:33 PM
Caltrans : Long-term construction on CA-116 Eastbound and Westbound east of Bohemian Hwy (Monte Rio). Lane closed. One way traffic control in effect. From 9:00 PM Tuesday, September 23, 2025 to 9:00 AM Monday, November 30, 2026.

Bay Area Roadwork

About This Tool

Bay Area Roadwork is a real-time traffic utility that displays active construction, lane closures, and maintenance events across the San Francisco Bay Area. It pulls live data from the public 511.org feed so you can quickly see where roadwork is happening and how it might affect your drive. This page is designed to be fast, readable, and focused only on the information that matters: what’s happening, where it is, and how severe the impact may be.

How It Works

The tool connects to the 511.org data source and retrieves current roadwork events reported by Caltrans and local transportation agencies. Each event is processed and displayed as a card with key details such as location, type of work, and severity. The feed updates regularly as new data is published, so the information you see reflects the latest available conditions.

No personal data is collected or stored. All processing happens on the server using public traffic information, and the results are rendered as a simple, easy-to-scan list of events.

Why This Tool Is Useful

  • Provides a quick overview of construction-related traffic impacts in the Bay Area.
  • Helps you avoid unexpected lane closures and delays.
  • Reduces the need to navigate complex government websites.
  • Offers a mobile-friendly way to check roadwork before commuting or traveling.
  • Uses trusted, public data from 511.org and regional agencies.

Who This Tool Is For

  • Daily commuters who want to check for construction before leaving home.
  • Weekend travelers planning trips across bridges or major highways.
  • Delivery and rideshare drivers who need to stay aware of lane closures.
  • Local residents interested in nearby roadwork and maintenance activity.
  • Anyone tracking Bay Area traffic conditions using a simple, focused interface.

Tips

  • Check the updated time on each event to see how recent the information is.
  • Use the location details to decide whether an event affects your usual route.
  • Pay attention to severity indicators to estimate potential delays.
  • Refresh the page periodically during active construction periods.
  • Combine this tool with navigation apps for turn-by-turn rerouting.

Frequently Asked Questions

Where does the data come from?

All roadwork information is sourced from 511.org, which aggregates reports from Caltrans and local transportation agencies across the Bay Area.

How often is the data updated?

The feed updates regularly as 511.org publishes new events or modifies existing ones. During active construction periods, changes may occur frequently.

Does this tool show all traffic incidents?

This page focuses specifically on roadwork, construction, and maintenance-related events. Other incident types, such as collisions or stalled vehicles, may be available on separate tools.

Is this an official government website?

No. Bay Area Roadwork is an independent utility that displays public data from 511.org. For official information, always refer directly to 511.org or your local transportation authority.

Does this tool collect any personal information?

No. The tool does not track or store user data. It simply displays public traffic information in a clean, readable format.

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