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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 9h
Traveling this weekend? Click here for a list of rest stops along roadways
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Caltrans District 4 9h
Laurel Bridge over I780 closed starting May30. Local detours. I780 stays open
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Caltrans District 4 15h
Sneak peak. Caltrans replaces 1K channelizers on SR-12. How do they improve safety? See our upcoming News Flash
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dara wheeler May 25
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CHP Golden Gate 18h
Please move over/slow down when approaching first responders and freeway workers. Our lives depend on it.
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Caltrans HQ 18h
✔️ your tire pressure before heading out for . Proper tire inflation = less pollutants in the air & in our 💧
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Caltrans District 4 17h
Adopt a highway and make a difference! Learn more
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Caltrans District 4 May 25
SANTA CLARA CO - SR-152 shoulder closure (Post Mile 32.4) west of Pacheco Park, May 22-June 15 for geotechnical (rock coring) field work.
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Caltrans District 4 May 25
Here is Why Runaway Truck Ramps Exist
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Caltrans District 4 May 25
Subscribe to our YouTube channel to stay informed with updates
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Michael Cabanatuan May 20
New Bay Bridge is for the birds. Bird colony settles in on new span via
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Bijan Sartipi May 24
Partnership between recognized for I-80 SMART Corridor.
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Bijan Sartipi May 24
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Caltrans District 4 May 24
In the Delta, SR-12 Rio Vista Bridge busy this afternoon. Giant cargo ship on the Sac River.
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CTF May 24
Congratulations for winning the Elected Official of the Year!
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Caltrans District 4 May 24
Congratulations, SFOBB Pier E3 Demonstration Project!
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Caltrans District 4 May 24
Congratulations I-80 SMART Corridor Partners!
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Caltrans District 4 May 24
You can also like us on Facebook at
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Caltrans District 4 May 24
Join us for a workshop on the D4 Bike Plan to help shape future bike improvements in the Bay Area!
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Alameda CTC May 24
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