SR-12 West Traffic in Bay Area

As of 8:45 am PDT, SR-12 West in the San Francisco Bay Area is averaging 65 mph across 17 sensors, about normal for this time.

Open the live map of SR-12 West →

Best time to drive SR-12 West

Traffic is usually worst on Wednesday around 7 am (about 43 mph). On weekdays the morning slowdown peaks around 7 am (43 mph on Wednesdays) and the evening slowdown around 2 pm (61 mph on Mondays). Midday (10 am to 2 pm) averages 58 mph. On weekends it is slowest on Saturdays around 12 pm (61 mph).

Typical average speed (mph) on SR-12 West in Bay Area, by day and hour (local time)
Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	66	55	49	50	55	58	58	57	59	61	63	66	66	65	65	65	65
Tue	67	55	44	44	53	57	58	58	60	62	64	65	65	65	65	65	65
Wed	67	54	43	44	54	55	57	57	58	61	63	65	66	66	65	65	65
Thu	67	55	45	45	53	57	57	57	60	61	63	65	65	66	66	66	66
Fri	66	57	55	56	57	59	60	61	60	62	63	64	66	66	66	66	65
Sat	66	66	65	65	63	62	61	61	62	62	64	64	65	65	65	65	65
Sun	66	66	66	66	65	65	63	62	63	63	64	65	65	65	65	65	65

Averages of every 5-minute reading we have recorded at this time of the week. Colors match the live map.

Questions

When is traffic worst on SR-12 West in Bay Area?

Traffic on SR-12 West is usually worst on Wednesday around 7 am (about 43 mph).

What is the best time to drive SR-12 West in Bay Area?

On weekdays, avoid around 7 am (43 mph on Wednesdays) and around 2 pm (61 mph on Mondays). Midday (10 am to 2 pm) averages 58 mph, and early mornings and late evenings are fastest.

Is SR-12 West busy right now?

As of 8:45 am PDT, SR-12 West in the San Francisco Bay Area is averaging 65 mph across 17 sensors, about normal for this time.

Other freeways in Bay Area

SR-1 North · SR-1 South · SR-4 East · SR-4 West · I-5 North · I-5 South · SR-12 East · SR-17 North · SR-17 South · SR-24 East · SR-24 West · SR-25 North · SR-25 South · SR-29 South · SR-37 East · SR-37 West · I-80 East · I-80 West · SR-84 North · SR-84 South · SR-85 North · SR-85 South · SR-87 North · SR-87 South · SR-92 East · SR-92 West · SR-99 North · SR-99 South · US-101 North · US-101 South · SR-120 East · SR-120 West · SR-132 East · SR-132 West · I-205 East · I-205 West · SR-237 East · SR-237 West · I-238 North · I-238 South · SR-242 North · SR-242 South · I-280 North · I-280 South · I-580 East · I-580 West · I-680 North · I-680 South · I-880 North · I-880 South · I-980 East · I-980 West

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	66	55	49	50	55	58	58	57	59	61	63	66	66	65	65	65	65
Tue	67	55	44	44	53	57	58	58	60	62	64	65	65	65	65	65	65
Wed	67	54	43	44	54	55	57	57	58	61	63	65	66	66	65	65	65
Thu	67	55	45	45	53	57	57	57	60	61	63	65	65	66	66	66	66
Fri	66	57	55	56	57	59	60	61	60	62	63	64	66	66	66	66	65
Sat	66	66	65	65	63	62	61	61	62	62	64	64	65	65	65	65	65
Sun	66	66	66	66	65	65	63	62	63	63	64	65	65	65	65	65	65

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	66	55	49	50	55	58	58	57	59	61	63	66	66	65	65	65	65
Tue	67	55	44	44	53	57	58	58	60	62	64	65	65	65	65	65	65
Wed	67	54	43	44	54	55	57	57	58	61	63	65	66	66	65	65	65
Thu	67	55	45	45	53	57	57	57	60	61	63	65	65	66	66	66	66
Fri	66	57	55	56	57	59	60	61	60	62	63	64	66	66	66	66	65
Sat	66	66	65	65	63	62	61	61	62	62	64	64	65	65	65	65	65
Sun	66	66	66	66	65	65	63	62	63	63	64	65	65	65	65	65	65

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	66	55	49	50	55	58	58	57	59	61	63	66	66	65	65	65	65
Tue	67	55	44	44	53	57	58	58	60	62	64	65	65	65	65	65	65
Wed	67	54	43	44	54	55	57	57	58	61	63	65	66	66	65	65	65
Thu	67	55	45	45	53	57	57	57	60	61	63	65	65	66	66	66	66
Fri	66	57	55	56	57	59	60	61	60	62	63	64	66	66	66	66	65
Sat	66	66	65	65	63	62	61	61	62	62	64	64	65	65	65	65	65
Sun	66	66	66	66	65	65	63	62	63	63	64	65	65	65	65	65	65