Caltrans District 4 - Working to bring you safe, efficient, accessible, and environmentally responsible highways and bridges in the Bay Area.
Joined June 2011
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- Followers 21,078
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7,716 Photos and videos
Pinned Tweet
Jan 14
🚗 Drivers — Before you hit the road, check our free #QuickMap app or visit QuickMap.dot.ca.gov for the latest updates on road closures, chain controls, and more. Stay informed, travel safe! 🛣️
#knowbeforeyougo #quickmap #drivesafely
@CaltransHQ @CHP_HQ #caltransbayarea
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Jun 12
⚽🌉As we prepare to welcome the world for FIFA World Cup 26™ SF Bay Area tomorrow, every trip counts.
🚧 Check real-time traffic conditions on QuickMap
📱 Visit 511.org for travel information
🛣️ Allow extra travel time
Let's keep the Bay Area moving.
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Jun 12
Bay Area commuters: Caltrans is working to increase the longevity of the San Mateo Bridge. Look out for lane closures in the eastbound direction.
Work will usually take place in the early morning hours, but sometimes will end at noon. Expect minor delays.
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Jun 12
Overnight drainage work near Hillcrest Ave:❌WB SR-4 Hillcrest Ave off-ramp CLOSED
🚧WB SR-160 near Hillcrest Ave: lane closures (#3 lane)
🗓June 11–12 🕖7 PM–6 AM
Expect delays, merging traffic & detours. Plan ahead & slow for crews.
🔗 quickmap.dot.ca.gov
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Caltrans District 4 retweeted
Jun 12
UPDATE: Traffic Collision With Injuries and Overturned Vehicle on Eastbound I-580 East of S Vasco Rd in Livermore. Left Lanes Now Open; Right and Center Lanes Remain Blocked. goo.gl/TU4ZDK
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Caltrans District 4 retweeted
.@cccpublicworks will begin construction of the Wildcat Fish Passage Implementation Project in North Richmond on Mon., 6/15 - Mon., 11/30/26, from 7 a.m. - 5 p.m., Mon. -Fri. (excl. holidays). Expect minor delays near the job site during working hours. bit.ly/3PXj2KF
ALT Wildcat Fish Passage Implementation Project Work Area Map in North Richmond, CA
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Jun 11
With FIFA World Cup 26™ SF Bay Area coming up, make safety part of your game plan.⚽️🚗
Plan ahead, stay focused behind the wheel, and give yourself extra time to reach your destination.
Before you travel, check QuickMap and 511.
#BayAreaMoves #SFBayArea #PlanAhead #DriveSafe
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Jun 11
🚧 #TrafficAlert SR-24 Caldecott Tunnel (6/15–6/17)
Nightly 10PM–4:30AM closures:
• Mon: EB Bore #2
• Tue: EB Bore #1
• Wed: WB Bore #3
At least 1 bore open each direction. Expect delays & be ready to merge. #BeWorkZoneAlert @511SFBay 24/7 updates quickmap.dot.ca.gov
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Jun 11
🚧 El Camino Real (ECR) Roadway Renewal Update 🚧
📍 June 12: Closure between Carmelita Ave. and Oak Grove Ave.
📍 June 15–17: Closure between Carmelita Ave. and Howard Ave.
📍 8 a.m. – 6 p.m. daily
More information: conta.cc/4e28Fyb
#ECRRoadwayRenewal
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Jun 11
🌉⚽ As the Bay Area prepares to welcome the world for FIFA World Cup 26™ SF Bay Area, the Dumbarton Bridge has remained a vital link between the East Bay and Peninsula for 100 years.
#BayAreaMoves #EveryRouteLeadsToGameday
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Jun 11
For the safety of the traveling public, Caltrans crews cleared an encampment site along US 101 in Santa Clara, Santa Clara County.
Crews removed approximately 40 cubic yards of debris. Three individuals were offered services.
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Jun 11
Motorists are encouraged to use an alternate route to access I-880 by using Caltrans Quickmap ➡️ Quickmap.dot.ca.gov
Jun 11
ONGOING: Traffic Collision With Injuries on Northbound I-238 Connector Ramp to I-880 S in San Leandro. All Lanes Remain Blocked. Caltrans ETO is 1:00 PM. goo.gl/TU4ZDK
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Jun 11
🚧 #TrafficAlert Contra Costa Co. (6/9–6/12) Nightly 9PM–6AM:
• Alt lane closures EB/WB I-80 (Appian Way → Pinole Valley Rd)
• EB Appian Way on-ramp CLOSED
Cummings Skyway: work ongoing (no closures)
Expect delays. Plan ahead & slow for crews. #BeWorkZoneAlert
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Jun 10
Heads up, Half Moon Bay! 🌊Paving work coming to Frontage Road:
· Monday, June 15 and Tuesday, June 16
· 8 a.m. to 5 p.m.
· Frontage Road between Wave Ave and Farmer John's Pumpkin Farm
*No driveway access 6/15*
Full Advisory: conta.cc/4eaHv78
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Jun 10
🚗🎉 The new Manuel T. Freitas Roundabout in San Rafael is now open to traffic!
This marks the completion of a project designed to improve safety, mobility, and accessibility at the busy intersection of Freitas Parkway, Civic Center Drive, and Old Redwood Highway.
#CaltransD4
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Jun 10
🚧#TrafficAlert Contra Costa County (6/9–6/10) Overnight drainage work on SR-4 & Route 160:•EB SR-4: Lane closure Hillcrest Ave → SR-160 9 PM–6 AM
•WB SR-4: FULL off-ramp closure at Hillcrest Ave 8 PM–6 AM
•WB SR-160: Lane #4 closure near Hillcrest Ave (7 PM–4 AM)
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Jun 10
Expect delays, follow detours & slow for crews. #BeWorkZoneAlert
Check quickmap.dot.ca.gov for real‑time updates: #norightstobackgroundmusic #caltransd4 @ContraCostaFire @CCCounty @NewsContraCosta
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Caltrans District 4 retweeted
Caltrans maintenance crews will conduct overnight closures of Bore #3 on westbound SR-24 to perform routine tunnel maintenance and relocate a temporary transformer trailer.
📅 Tuesday, June 9 & Wednesday, June 10
⏰ 10:00 PM – 4:30 AM nightly
QuickMap.dot.ca.gov
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🚧 Burlingame ECR update 🚧
Full closures of El Camino Real scheduled:
📍 June 12: Carmelita Ave. – Oak Grove Ave.
📍 June 15–17: Carmelita Ave. – Howard Ave.
🕘 9 a.m.–6 p.m.
Plan ahead & expect detours.
More info: conta.cc/49BjDIt
#ECRRoadwayRenewal
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Heads up SamTrans riders! 🚌🚌
Temporary bus stops along San Mateo Dr. and California Dr for Caltrans ECR project.
New service changes on Sunday, June 14:
· samtrans.com/route-ecr
· samtrans.com/route-397
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⚽🌎 As FIFA World Cup 26™ SF Bay Area approaches, Caltrans crews are building on the year-round work that keeps our highways safe, clean, and welcoming.
These before-and-after photos showcase just some of the improvements happening across the Bay Area every day.
#BayAreaMoves
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