Fourth of July Traffic in Bay Area: Best and Worst Times to Drive (2027)
Based on 9 past Fourth of Julys (2017–2026, leaving out 2020), freeways across the San Francisco Bay Area are no slower than usual over Fourth of July; the busiest time is Friday (July 2 this year) around 4 pm, at 58 mph (usually 57 mph). The holiday jams are on the roads out of town: SR-1 South (Monday around 2 pm: 45 mph instead of 56 mph).
Freeways hit hardest
The hour each freeway direction slows the most against a normal day, averaged over the same years:
- SR-1 South: Monday around 2 pm: 45 mph instead of 56 mph.
- SR-1 North: Saturday around 3 pm: 51 mph instead of 59 mph.
- I-205 West: Monday around 2 pm: 56 mph instead of 63 mph.
- SR-152 East: Monday around 4 pm: 57 mph instead of 64 mph.
- SR-25 South: Saturday around 7 pm: 52 mph instead of 59 mph.
Day by day
- Friday, July 2: about like a normal Friday; slowest around 4 pm (58 mph, usually 57 mph).
- Saturday, July 3: about like a normal Saturday; slowest around 3 pm (58 mph, usually 57 mph).
- Sunday, July 4: lighter than a normal Sunday; slowest around 3 pm (64 mph, usually 56 mph).
- Monday, July 5: about like a normal Monday; slowest around 4 pm (60 mph, usually 56 mph).
Hour by hour
| Day | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fri Jul 2 | 67 | 64 | 62 | 61 | 61 | 61 | 61 | 61 | 60 | 59 | 58 | 58 | 58 | 61 | 65 | 66 | 67 |
| Sat Jul 3 | 68 | 64 | 62 | 61 | 62 | 62 | 61 | 61 | 61 | 59 | 58 | 59 | 59 | 62 | 65 | 66 | 67 |
| Sun Jul 4 | 69 | 67 | 66 | 65 | 65 | 65 | 65 | 64 | 64 | 64 | 64 | 64 | 64 | 65 | 67 | 67 | 67 |
| Mon Jul 5 | 69 | 65 | 63 | 63 | 63 | 63 | 62 | 62 | 62 | 61 | 60 | 60 | 61 | 64 | 66 | 67 | 68 |
Averages of every hour of freeway data we have for these days in past years (hover a cell for a normal day). Dates are this year's; each past year is lined up on its own holiday.
Bay Area traffic tomorrow · Bay Area traffic right now
Questions
When is the worst time to drive for Fourth of July in Bay Area?
Based on 9 past Fourth of Julys (2017–2026, leaving out 2020), freeways across the San Francisco Bay Area are no slower than usual over Fourth of July; the busiest time is Friday (July 2 this year) around 4 pm, at 58 mph (usually 57 mph). The holiday jams are on the roads out of town: SR-1 South (Monday around 2 pm: 45 mph instead of 56 mph).
What is Fourth of July traffic like in Bay Area?
Friday, July 2: about like a normal Friday; slowest around 4 pm (58 mph, usually 57 mph). Saturday, July 3: about like a normal Saturday; slowest around 3 pm (58 mph, usually 57 mph). Sunday, July 4: lighter than a normal Sunday; slowest around 3 pm (64 mph, usually 56 mph). Monday, July 5: about like a normal Monday; slowest around 4 pm (60 mph, usually 56 mph).