Free Tool · Official Planned Works
Is the SR-4 Closed Tonight?
Quick answer: No planned SR-4 closure is listed for tonight (Friday 30 October). Unplanned closures after a crash are on the live traffic page.
0 listed
Tonight · Fri 30 Oct 18:00 – Sat 31 Oct 07:00
No planned SR-4 closure is listed for this period.
1 listed
This weekend · Friday 18:00 – Monday 06:00
| When (local) | What and where |
|---|---|
| Sun 1 Nov 22:01 – 05:01 | Carriageway closed West · Willow Ave to San Pablo Ave (Hercules, Contra Costa County)
Mainline full closure, all lanes — A.C. Dike |
1 listed
Next 7 days
| When (local) | What and where |
|---|---|
| Sun 1 Nov 22:01 – 05:01 | Carriageway closed West · Willow Ave to San Pablo Ave (Hercules, Contra Costa County)
Mainline full closure, all lanes — A.C. Dike |
Questions
Closures — FAQ
Is the SR-4 closed tonight?
No planned SR-4 closure is listed for tonight (Friday 30 October). Unplanned closures after a crash are on the live traffic page.
Is the SR-4 closed this weekend?
1 planned closure on the SR-4 between Friday 18:00 and Monday 06:00, listed below with times.
Where does this list come from?
From Caltrans lane closure system (CWWP2), refreshed every three hours. It lists planned works only; closures after a crash or breakdown are not planned and appear on the live traffic map instead. Times are local (America/Los_Angeles).