Traffic Predict

SR-4 East Traffic in Bay Area

As of 4:31 pm PST, SR-4 East in the San Francisco Bay Area is averaging 57 mph across 44 sensors, about normal for this time. The slowest stretch is near Port Chicago Hwy, at 15 mph. 4 sensors report stop-and-go traffic under 30 mph.

Open the live map of SR-4 East →

Is SR-4 East moving right now?

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

Earlier in the last 24 hours

Best time to drive SR-4 East

Traffic is usually worst on Wednesday around 5 pm (about 56 mph). On weekdays the morning slowdown peaks around 10 am (63 mph on Mondays) and the evening slowdown around 5 pm (56 mph on Wednesdays). Midday (10 am to 2 pm) averages 63 mph. On weekends it is slowest on Saturdays around 2 pm (65 mph).

Typical average speed (mph) on SR-4 East in Bay Area, by day and hour (local time)
Day5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm
Mon6766666563636363626160616062656768
Tue6867666564646363626159585759636567
Wed6866656564646463626159585658636567
Thu6766656464646464636058585760636466
Fri6767666564646462626058595962646567
Sat6868676766666665656565656566666567
Sun6868686867676766666665666666666668

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

Questions

Why is SR-4 East slow right now?

Near Oppo Port Chicago Hwy: 15 mph, likely heavy traffic. Near Arnold Industrial Pl Rm-e-diag: 20 mph, likely the usual rush-hour slowdown here (usually 16 mph at this time).

When is traffic worst on SR-4 East in Bay Area?

Traffic on SR-4 East is usually worst on Wednesday around 5 pm (about 56 mph).

What is the best time to drive SR-4 East in Bay Area?

On weekdays, avoid around 10 am (63 mph on Mondays) and around 5 pm (56 mph on Wednesdays). Midday (10 am to 2 pm) averages 63 mph, and early mornings and late evenings are fastest.

Is SR-4 East busy right now?

As of 4:31 pm PST, SR-4 East in the San Francisco Bay Area is averaging 57 mph across 44 sensors, about normal for this time. The slowest stretch is near Port Chicago Hwy, at 15 mph. 4 sensors report stop-and-go traffic under 30 mph.

Drives that use SR-4 East

Best times to leave for these trips, from typical traffic on SR-4 East and the roads around it:

Hercules to Stockton · Concord to Ceres · Concord to Manteca · Richmond to Stockton · Bay Point to Modesto · Daly City to Brentwood · San Francisco to Brentwood · Berkeley to Brentwood · Richmond to Brentwood · Martinez to Stockton

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 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 · 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