Traffic Predict

SR-99 South Traffic in Bay Area

As of 4:31 pm PST, SR-99 South in the San Francisco Bay Area is averaging 54 mph across 12 sensors, 7 mph faster than usual for this time. The slowest stretch is near Eschinger Rd Cctv, at 12 mph (usually 34 mph). 2 sensors report stop-and-go traffic under 30 mph.

Open the live map of SR-99 South →

Is SR-99 South moving right now?

Slow stretches as of 4:31 pm PST, and why:

Best time to drive SR-99 South

Traffic is usually worst on Friday around 4 pm (about 46 mph). On weekdays the morning slowdown peaks around 9 am (52 mph on Fridays) and the evening slowdown around 4 pm (46 mph on Fridays). Midday (10 am to 2 pm) averages 58 mph. On weekends it is slowest on Saturdays around 4 pm (61 mph).

Typical average speed (mph) on SR-99 South in Bay Area, by day and hour (local time)
Day5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm
Mon6964626259595958586160555562666667
Tue6964636259596060606259596466666668
Wed6964636259595960596158536165666568
Thu6864636360606060596157495563666568
Fri6859565452535552585752465059686768
Sat6868666565646463636362616567666668
Sun6867686767656565646361626363646468

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 Cctv: 12 mph, likely heavier traffic than usual for this time (usually 34 mph). Near 99sb At Dillard Rd: 27 mph, likely heavier traffic than usual for this time (usually 44 mph). Near 99sb Jno Twin Cities: 36 mph, likely heavier traffic than usual for this time (usually 61 mph).

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 46 mph).

What is the best time to drive SR-99 South in Bay Area?

On weekdays, avoid around 9 am (52 mph on Fridays) and around 4 pm (46 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 4:31 pm PST, SR-99 South in the San Francisco Bay Area is averaging 54 mph across 12 sensors, 7 mph faster than usual for this time. The slowest stretch is near Eschinger Rd Cctv, at 12 mph (usually 34 mph). 2 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:

Other freeways in Bay Area