Caltrans District 4
@CaltransD4
Caltrans District 4 - Working to bring you safe, efficient, accessible, and environmentally responsible highways and bridges in the Bay Area.
🚗Drivers Before you head out check our #QuickMap app on your smartphone for free or visit QuickMap.dot.ca.gov for up to date info on road closures chain controls and more. #knowbeforeyougo #quickmap #drivesafely @CaltransHQ @CHP_HQ #caltransbayarea #SlowFortheConeZone

🚴♂️ #REMINDER #MARINCOUNTY #CONTRACOSTACOUNTYBike lane work continues on the Richmond-San Rafael Bridge (I-580) 🛠️ Now through Oct 1, 2025 Weekdays, 5 AM – 2 PM🔹Path remains OPEN but is narrowed🚫 No stopping in the construction zone . Expect delays QuickMap.dot.ca.gov

#HappeningNow: SB I-680 at Mission San Jose (SR-238) in Fremont is closed until Monday morning. Thank you #BayArea for your patience as we continue to improve our highways! For info call (510) 286-0319 #680DeckRehab #BayAreaTraffic #CaltransBayArea #Caltrans
#HappeningNow: SB I-680 at Mission San Jose (SR-238) in Fremont is closed until Monday morning. Saturday Morning Update! Work on schedule! Peak traffic expected between now and 4PM For info call (510) 286-0319.




UPDATE: Residual Delays on Westbound I-80 East of Mason St in Vacaville. All Lanes Open.
California’s beauty is world-famous. But sometimes just one piece of litter ruins the view. Other times, it takes a whole Caltrans crew to restore that view, like recently along this stretch just north of Woodside. Help keep California litter-free. #CleanCA @CA_Trans_Agency

Traffic Collision With Injuries and Overturned vehicle and Vehicle Fire on Westbound I-80 East of Mason St in Vacaville. Left and Center Lanes Blocked. goo.gl/TU4ZDK
Are you ready for it? SB I-680 at Mission San Jose (SR-238) in @Fremont_CA will closed for 55 hrs. starting tonight at 10 PM until 5 AM, Monday, 7/28. Questions call 📱 (510) 286-0319
#TRAFFICALERT: Crews are scheduled to switch high-occupancy vehicle (HOV) signs along US-101 in a 52-mile stretch. @maringov sign replacement is scheduled to begin on Monday, Aug. 4, and @CountyofSonoma sign replacement is slated to start on Monday, Aug. 18.

🚧 Caltrans will close lanes on NB I-280 (just south of SR-92) for culvert repairs this weekend: 🔹 4 lanes closed overnight 🔹 3 lanes closed during the day 🗓️ 8 PM Fri, July 25 – 5 AM Mon, July 28 Expect delays. Drive safely! #Caltrans #I280 #BayAreaTraffic #SanMateoCounty

What started as a fun and relaxing day on the first full day of summer turned into a nightmare for one California mom. ⚠️🌊 Lupita Perez and her three children were nearly swept into the ocean after becoming trapped by the rising tide at Panther Beach in Santa Cruz County. But…
Lo que comenzó como un día divertido y relajante en el primer día completo del verano se convirtió en una pesadilla para una madre de California. Lupita Pérez y sus tres hijos estuvieron a punto de ser arrastrados al océano tras quedar atrapados por la marea creciente en la…
#TRAFFICALERT: Caltrans has scheduled lane closures for its Capital Preventive Maintenance project on Westbound and Eastbound SR-37 in between Atherton Avenue and the Petaluma River Bridge in Novato. Guard rail work is from Monday, July 28 to Friday, Aug. 1. @maringov @CaltransHQ


Caltrans will close 1 bore nightly on SR-24 for routine inspections/maintenance. At least 1 bore will remain open in each direction. 🗓️ July 28–31🕙 10PM–4:30AM Schedule: • 7/28 – Bore 2 • 7/29 – Bore 1 • 7/30 – Bore 4 • 7/31 – Bore 3 🔗 QuickMap.dot.ca.gov #CaltransD4

BART Service Resumes After Fire Disruption ✅ Expect some residual delays 🔥 Crews responded quickly to contain the fire 🚆 Trains are moving again Check real-time updates at bart.gov #BART #TransitUpdate #kpix
A detailed BART service advisory has been issued: bart.gov/advisories
Cleanup for Safety in San Jose 📍SB 85 @ Santa Teresa Blvd on-ramp (behind soundwall), PM 4.97 🗓July 18, 2025 @ 10 AM 🏕2 individuals assisted 🗑30 cu. yds of debris removed 🚨Responding to public reports of debris & safety concerns 🔗csr.dot.ca.gov #CaltransD4 #SanJose

Cleanup for Safety – Gilroy📍SB 101 @ Monterey Rd (behind Motel 6), PM 5.01 🗓 July 14–15, 2025 @ 9 AM 🏕 2 individuals assisted 🗑 80 cu. yds of debris removed 🚨 Response to public reports of growing debris & safety concerns 🔗 csr.dot.ca.gov #CaltransD4#Gilroy #US101

Heads up @CCCounty
.@cccpublicworks will perform tree maintenance work along Arlington Ave, from Amherst Ave to Arlington Ct, in #Kensington beginning Mon., 8/4 - Fri., 8/15/25, from 7:30 a.m. - 5:00 p.m., Mon. - Fri. Expect delays thru the work area. For more info, visit bit.ly/3TYosDp