US-101 South Traffic in Bay Area

As of 8:45 am PDT, US-101 South in the San Francisco Bay Area is averaging 65 mph across 266 sensors, about normal for this time.

Open the live map of US-101 South →

Best time to drive US-101 South

Traffic is usually worst on Thursday around 5 pm (about 52 mph). On weekdays the morning slowdown peaks around 8 am (54 mph on Tuesdays) and the evening slowdown around 5 pm (52 mph on Thursdays). Midday (10 am to 2 pm) averages 60 mph. On weekends it is slowest on Saturdays around 12 pm (60 mph).

Typical average speed (mph) on US-101 South 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	67	64	60	57	58	60	60	60	59	58	56	56	57	61	64	65	66
Tue	67	63	57	54	56	59	60	60	60	58	55	53	54	58	63	65	66
Wed	67	63	58	55	56	58	60	60	60	58	54	53	53	58	62	65	66
Thu	68	63	58	55	56	59	61	61	60	57	54	53	52	58	63	65	67
Fri	67	64	61	59	60	61	61	60	59	56	55	55	56	60	63	65	67
Sat	67	67	66	65	64	62	61	60	61	60	60	61	62	63	65	64	67
Sun	67	67	67	67	66	64	62	61	61	61	61	62	63	64	64	64	67

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 US-101 South in Bay Area?

Traffic on US-101 South is usually worst on Thursday around 5 pm (about 52 mph).

What is the best time to drive US-101 South in Bay Area?

On weekdays, avoid around 8 am (54 mph on Tuesdays) and around 5 pm (52 mph on Thursdays). Midday (10 am to 2 pm) averages 60 mph, and early mornings and late evenings are fastest.

Is US-101 South busy right now?

As of 8:45 am PDT, US-101 South in the San Francisco Bay Area is averaging 65 mph across 266 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-12 West · 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 · 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	67	64	60	57	58	60	60	60	59	58	56	56	57	61	64	65	66
Tue	67	63	57	54	56	59	60	60	60	58	55	53	54	58	63	65	66
Wed	67	63	58	55	56	58	60	60	60	58	54	53	53	58	62	65	66
Thu	68	63	58	55	56	59	61	61	60	57	54	53	52	58	63	65	67
Fri	67	64	61	59	60	61	61	60	59	56	55	55	56	60	63	65	67
Sat	67	67	66	65	64	62	61	60	61	60	60	61	62	63	65	64	67
Sun	67	67	67	67	66	64	62	61	61	61	61	62	63	64	64	64	67

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	67	64	60	57	58	60	60	60	59	58	56	56	57	61	64	65	66
Tue	67	63	57	54	56	59	60	60	60	58	55	53	54	58	63	65	66
Wed	67	63	58	55	56	58	60	60	60	58	54	53	53	58	62	65	66
Thu	68	63	58	55	56	59	61	61	60	57	54	53	52	58	63	65	67
Fri	67	64	61	59	60	61	61	60	59	56	55	55	56	60	63	65	67
Sat	67	67	66	65	64	62	61	60	61	60	60	61	62	63	65	64	67
Sun	67	67	67	67	66	64	62	61	61	61	61	62	63	64	64	64	67

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	67	64	60	57	58	60	60	60	59	58	56	56	57	61	64	65	66
Tue	67	63	57	54	56	59	60	60	60	58	55	53	54	58	63	65	66
Wed	67	63	58	55	56	58	60	60	60	58	54	53	53	58	62	65	66
Thu	68	63	58	55	56	59	61	61	60	57	54	53	52	58	63	65	67
Fri	67	64	61	59	60	61	61	60	59	56	55	55	56	60	63	65	67
Sat	67	67	66	65	64	62	61	60	61	60	60	61	62	63	65	64	67
Sun	67	67	67	67	66	64	62	61	61	61	61	62	63	64	64	64	67