SR-512 West Traffic in Seattle

As of 10:30 pm PST, SR-512 West in Seattle is averaging 62 mph across 13 sensors, about normal for this time.

Open the live map of SR-512 West →

Is SR-512 West moving right now?

Yes. No stretch of SR-512 West in Seattle is under 40 mph right now (as of 10:30 pm PST).

Best time to drive SR-512 West

Traffic is usually worst on Thursday around 5 pm (about 49 mph). On weekdays the morning slowdown peaks around 7 am (58 mph on Thursdays) and the evening slowdown around 5 pm (49 mph on Thursdays). Midday (10 am to 2 pm) averages 61 mph. On weekends it is slowest on Saturdays around 2 pm (62 mph).

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 SR-512 West in Seattle?

Traffic on SR-512 West is usually worst on Thursday around 5 pm (about 49 mph).

What is the best time to drive SR-512 West in Seattle?

On weekdays, avoid around 7 am (58 mph on Thursdays) and around 5 pm (49 mph on Thursdays). Midday (10 am to 2 pm) averages 61 mph, and early mornings and late evenings are fastest.

Is SR-512 West busy right now?

As of 10:30 pm PST, SR-512 West in Seattle is averaging 62 mph across 13 sensors, about normal for this time.

Plan ahead: Seattle traffic tomorrow · Traffic estimator

Other freeways in Seattle

US-2 East · US-2 West · I-5 North · I-5 South · SR-9 North · SR-9 South · SR-16 East · SR-16 West · SR-18 East · SR-18 West · I-90 East · I-90 West · SR-99 North · SR-99 South · SR-167 North · SR-167 South · I-405 North · I-405 South · SR-509 North · SR-509 South · SR-512 East · SR-520 East · SR-520 West · SR-522 East · SR-522 West · SR-525 North · SR-525 South