SR-99 South Traffic in Bay Area
As of 12:15 pm PDT, SR-99 South in the San Francisco Bay Area is averaging 39 mph across 12 sensors, 19 mph slower than usual for this time. The slowest stretch is near 99sb At Eschinger Rd at 4 mph. 4 sensors report stop-and-go traffic under 30 mph.
Open the live map of SR-99 South →
Incidents on SR-99 South right now
- CFIRE-Car Fire: Sr99 S / Dillard Rd
- Hit and Run No Injuries: Sr99 S / Lathrop Rd Onr
Is SR-99 South moving right now?
Slow stretches as of 12:15 pm PDT, and why:
- Near 99sb At Eschinger Rd: 4 mph, likely a nearby incident: CFIRE-Car Fire (Sr99 S / Dillard Rd).
- Near 99sb At Grant Line: 5 mph, likely heavier traffic than usual for this time (usually 55 mph).
- Near 99sb At Dillard Rd: 29 mph, likely a nearby incident: CFIRE-Car Fire (Sr99 S / Dillard Rd).
Earlier in the last 24 hours
- 11:10 am: Trfc Collision-No Inj, Sr99 S / Dillard Rd
- 6:35 am: FIRE-Report of Fire, Sr99 S / Acampo Rd Ofr
- 5:55 am: Traffic Hazard, Sr99 S / Liberty Rd Ofr
- 4:00 am: Trfc Collision-1141 Enrt, Sr99 S / Arch Rd Ofr
- 9:25 pm: Traffic Hazard, Sr99 S / Hammer Ln Onr
- 9:20 pm: Traffic Hazard, Sr99 S / Turner Rd Ofr
- 7:01 pm: CZP-Assist with Construction, Sr99 S / Dillard Rd
- 1:31 pm: Traffic Hazard, Sr99 S / Arch Rd Ofr
Best time to drive SR-99 South
Traffic is usually worst on Friday around 4 pm (about 43 mph). On weekdays the morning slowdown peaks around 9 am (56 mph on Mondays) and the evening slowdown around 4 pm (43 mph on Fridays). Midday (10 am to 2 pm) averages 58 mph. On weekends it is slowest on Saturdays around 4 pm (59 mph).
| Day | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 68 | 62 | 61 | 59 | 56 | 56 | 56 | 57 | 58 | 57 | 58 | 55 | 56 | 62 | 65 | 63 | 66 |
| Tue | 68 | 62 | 62 | 60 | 57 | 57 | 58 | 58 | 60 | 61 | 60 | 60 | 66 | 67 | 66 | 65 | 67 |
| Wed | 68 | 62 | 62 | 61 | 60 | 59 | 58 | 59 | 59 | 61 | 59 | 55 | 64 | 66 | 66 | 65 | 67 |
| Thu | 68 | 63 | 63 | 62 | 58 | 58 | 58 | 59 | 60 | 60 | 60 | 53 | 60 | 67 | 66 | 65 | 68 |
| Fri | 69 | 62 | 60 | 58 | 56 | 56 | 58 | 58 | 59 | 55 | 47 | 43 | 47 | 56 | 67 | 66 | 68 |
| Sat | 67 | 67 | 64 | 63 | 63 | 63 | 63 | 64 | 63 | 64 | 61 | 59 | 67 | 67 | 66 | 66 | 68 |
| Sun | 68 | 67 | 67 | 66 | 66 | 65 | 65 | 64 | 64 | 63 | 63 | 65 | 65 | 66 | 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 SR-99 South slow right now?
Near 99sb At Eschinger Rd: 4 mph, likely a nearby incident: CFIRE-Car Fire (Sr99 S / Dillard Rd). Near 99sb At Grant Line: 5 mph, likely heavier traffic than usual for this time (usually 55 mph). Near 99sb At Dillard Rd: 29 mph, likely a nearby incident: CFIRE-Car Fire (Sr99 S / Dillard Rd).
When is traffic worst on SR-99 South in Bay Area?
Traffic on SR-99 South is usually worst on Friday around 4 pm (about 43 mph).
What is the best time to drive SR-99 South in Bay Area?
On weekdays, avoid around 9 am (56 mph on Mondays) and around 4 pm (43 mph on Fridays). Midday (10 am to 2 pm) averages 58 mph, and early mornings and late evenings are fastest.
Is SR-99 South busy right now?
As of 12:15 pm PDT, SR-99 South in the San Francisco Bay Area is averaging 39 mph across 12 sensors, 19 mph slower than usual for this time. The slowest stretch is near 99sb At Eschinger Rd at 4 mph. 4 sensors report stop-and-go traffic under 30 mph.
Drives that use SR-99 South
Best times to leave for these trips, from typical traffic on SR-99 South and the roads around it:
Elk Grove to Fremont · Elk Grove to Hayward · Elk Grove to San Leandro · Elk Grove to Livermore · Florin to Stockton · Citrus Heights to Stockton · Roseville to Stockton · Rocklin to Stockton · Lincoln to Stockton · Elk Grove to Modesto
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 · 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