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Caltrans District 4
Caltrans District 4 - Working to bring you safe, efficient, accessible, and environmentally responsible highways and bridges in the Bay Area.
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Caltrans District 4 13h
starting pavement repair project SR-29/Sonoma Blvd in . SR-29 stays open but watch for lane closures & Tow Away signs in construction zones. Done by Oct 2020. More Info:
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Caltrans District 4 Aug 8
Thank you for bringing this to our attention . Caltrans has an online maintenance service request at: if you can please provide details and location there our staff can address as soon as possible.
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Caltrans District 4 Aug 8
Update: SR-84 Real McCoy Service was returned to service at approximately 10:00 pm Aug 7. Both ferries are in service the morning of Aug 8. Latest on Ferry Line 510-622-0120.
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Caltrans District 4 Aug 7
Traffic Alert: SR-84 Real McCoy Ferry is out of service on Fri, Aug 7 at 6:30 PM due to a mechanical issue. No estimated return time. Use J-Mack Ferry or Miners Slough Bridge as detour. Ferry Update Line 510-622-1020.
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Caltrans District 4 Aug 7
Smile! still on location in on U.S. 101 between Healdsburg and Geyserville for
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Caltrans District 4 Aug 6
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Caltrans District 4 Aug 6
EB 80 Treasure Island Off Ramp Closure canceled for tonight. Updated overnight closures are scheduled for Sunday Monday, and Tuesday. Detour pictured and Traffic Advisory here
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Caltrans District 4 Aug 6
Today is GET OUT THE COUNT DAY in California! Fill out the brief survey at to ensure federal funding & representation for our community. Census takers will start visiting homes next week that haven't yet responded to the .
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Caltrans District 4 Aug 5
Learn more about truck platooning and truck automation
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Caltrans District 4 Aug 5
UPDATE SR-84 Real McCoy Ferry was RETURNED to service at apx 12:45 PM TODAY Aug 5. J-Mack Ferry is also in service. For the latest, call our Caltrans Delta Ferry Update Line 510-622-1020.
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Caltrans District 4 Aug 5
in are on scene for another two weeks to assist with vegetation control, brush removal, and fire break. They are currently along SB 101 through Healdsburg and Geyserville
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Caltrans District 4 Aug 5
Traffic Alert: SR-84 Real McCoy Ferry is currently out of service until further notice due to mechanical difficulty. Use SR-220 J-Mack Ferry or SR-84 Miners Slough Bridge as detour. Update Line 510-622-1020.
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Caltrans District 4 Aug 4
Look forward to the addition of 2,700+ new EV charging plugs across the nation
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Caltrans District 4 Aug 4
Don’t forget to slow down for dad
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Caltrans District 4 Aug 4
Overnight ramp closures and detours for the EB I-80 T.I. off ramp this Thurs, Sun, Mon
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Caltrans District 4 Aug 4
Delta Update: Both SR-84 Real McCoy & SR-220 J-Mack Ferries will be out of service at 12:01 PM Today, T, Aug 4. Ferry service returns 12:01 AM Wed, Aug 5. Use SR-84 Miners Slough Bridge as detour. Ferry Line 510-622-0120.
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Caltrans District 4 Aug 4
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Caltrans District 4 Aug 3
Traffic Alert: Both SR-84 Real McCoy Ferry and SR-220 J-Mack Ferry are currently out of service. Ferry service is est to return at 12:01 AM Tu, Aug 4. Use SR-84 Miners Slough Bridge as detour. Latest Ferry Update Line 510-622-0120.
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Caltrans District 4 Aug 3
NB/SB 101 overnight lane closures this week M-F from 8p-6a for ongoing follow up work. Details here Please continue to reduce your speeds approaching the project site
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Caltrans District 4 Aug 3
Reminder: SR-160 Paintersville Bridge in the Delta is CLOSED until approximately Oct 1.
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