Traffic Predict
US-101 South Traffic in Bay Area
As of 4:00 pm PDT, US-101 South in the San Francisco Bay Area is averaging 54 mph across 252 sensors, about normal for this time. The slowest stretch is near 4a5324 Loc 42 at 10 mph (usually 14 mph). 30 sensors report stop-and-go traffic under 30 mph.
Open the live map of US-101 South →
Is US-101 South moving right now?
Slow stretches as of 4:00 pm PDT, and why:
- Near 4a5324 Loc 42: 10 mph, likely heavier traffic than usual for this time (usually 14 mph).
- Near Monterey Rd Rm-s-diag: 11 mph, likely the usual rush-hour slowdown here (usually 11 mph at this time).
- Near 4a5324 Loc 66: 11 mph, likely the usual rush-hour slowdown here (usually 13 mph at this time).
- Near Coyote Creek Golf Dr Rm-s-diag: 12 mph, likely heavier traffic than usual for this time (usually 16 mph).
Earlier in the last 24 hours
- 3:40 pm: FIRE-Report of Fire, Us101 S / Cochrane Rd E Onr
- 2:50 pm: Traffic Hazard, Us101 S / Freitas Pkwy Onr
- 1:55 pm: Traffic Hazard, Us101 S / Rbb N-end
- 1:25 pm: Hit and Run No Injuries, Us101 S / Mckee Rd Ofr
- 1:00 pm: Trfc Collision-Unkn Inj, Us101 S / Ccg
- 12:55 pm: Trfc Collision-Unkn Inj, Us101 S I280 N Con / Us101 I680 N Con
- 11:55 am: Traffic Hazard, Us101 S / Us101 S I280 S Con
- 11:25 am: Traffic Hazard, Us101 S / Mckee Rd Ofr
Best time to drive US-101 South
Traffic is usually worst on Thursday around 5 pm (about 51 mph). On weekdays the morning slowdown peaks around 8 am (54 mph on Tuesdays) and the evening slowdown around 5 pm (51 mph on Thursdays). Midday (10 am to 2 pm) averages 60 mph. On weekends it is slowest on Saturdays around 2 pm (60 mph).
| Day | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 68 | 64 | 59 | 56 | 57 | 59 | 60 | 60 | 60 | 57 | 55 | 54 | 54 | 60 | 64 | 66 | 67 |
| Tue | 68 | 65 | 58 | 54 | 54 | 58 | 60 | 61 | 60 | 58 | 55 | 52 | 52 | 57 | 62 | 65 | 67 |
| Wed | 68 | 65 | 58 | 55 | 55 | 58 | 60 | 61 | 60 | 58 | 54 | 52 | 52 | 57 | 62 | 65 | 67 |
| Thu | 68 | 65 | 58 | 55 | 56 | 59 | 61 | 62 | 60 | 57 | 53 | 51 | 51 | 56 | 61 | 64 | 67 |
| Fri | 68 | 65 | 61 | 59 | 61 | 61 | 61 | 60 | 58 | 56 | 54 | 53 | 54 | 59 | 62 | 65 | 67 |
| Sat | 68 | 68 | 67 | 66 | 65 | 63 | 61 | 60 | 60 | 60 | 60 | 60 | 62 | 63 | 65 | 65 | 68 |
| Sun | 68 | 68 | 68 | 68 | 67 | 65 | 63 | 61 | 61 | 61 | 62 | 62 | 62 | 63 | 65 | 65 | 68 |
Averages of every 5-minute reading we have recorded at this time of the week. Colors match the live map.
Questions
Why is US-101 South slow right now?
Near 4a5324 Loc 42: 10 mph, likely heavier traffic than usual for this time (usually 14 mph). Near Monterey Rd Rm-s-diag: 11 mph, likely the usual rush-hour slowdown here (usually 11 mph at this time). Near 4a5324 Loc 66: 11 mph, likely the usual rush-hour slowdown here (usually 13 mph at this time). Near Coyote Creek Golf Dr Rm-s-diag: 12 mph, likely heavier traffic than usual for this time (usually 16 mph).
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 51 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 (51 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 4:00 pm PDT, US-101 South in the San Francisco Bay Area is averaging 54 mph across 252 sensors, about normal for this time. The slowest stretch is near 4a5324 Loc 42 at 10 mph (usually 14 mph). 30 sensors report stop-and-go traffic under 30 mph.
Drives that use US-101 South
Best times to leave for these trips, from typical traffic on US-101 South and the roads around it:
San Francisco to Morgan Hill · Santa Rosa to San Mateo · Santa Rosa to San Francisco · Windsor to San Francisco · Santa Rosa to Daly City · Rohnert Park to San Francisco · San Francisco to San Jose · San Francisco to SJC · San Francisco to Santa Clara · Oakland to Watsonville
Plan ahead: Bay Area traffic tomorrow · Christmas traffic · Fourth Of July traffic · Labor Day traffic · Memorial Day traffic · Is Bay Area traffic getting worse? · Traffic estimator
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