US-3 South Traffic in Boston

As of 1:45 am EST, US-3 South in the Boston area is averaging 66 mph across 6 sensors, 7 mph faster than usual for this time.

Open the live map of US-3 South →

Is US-3 South moving right now?

Yes. No stretch of US-3 South in Boston is under 40 mph right now (as of 1:45 am EST).

Best time to drive US-3 South

Traffic is usually worst on Tuesday around 7 am (about 40 mph). On weekdays the morning slowdown peaks around 7 am (40 mph on Tuesdays) and the evening slowdown around 2 pm (66 mph on Tuesdays). Midday (10 am to 2 pm) averages 66 mph. On weekends it is slowest on Saturdays around 3 pm (64 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 US-3 South in Boston?

Traffic on US-3 South is usually worst on Tuesday around 7 am (about 40 mph).

What is the best time to drive US-3 South in Boston?

On weekdays, avoid around 7 am (40 mph on Tuesdays) and around 2 pm (66 mph on Tuesdays). Midday (10 am to 2 pm) averages 66 mph, and early mornings and late evenings are fastest.

Is US-3 South busy right now?

As of 1:45 am EST, US-3 South in the Boston area is averaging 66 mph across 6 sensors, 7 mph faster than usual for this time.

Drives that use US-3 South

Best times to leave for these trips, from typical traffic on US-3 South and the roads around it:

Merrimack to Boston · Nashua to Quincy · Nashua to South Boston · Nashua to Boston · Nashua to Revere · Nashua to Malden · Nashua to Peabody · Nashua to Lynn · Manchester to Framingham · Manchester to Newton

Plan ahead: Boston traffic tomorrow · Traffic estimator

Other freeways in Boston

US-1 South · MA-3 North · MA-3 South · MA-24 North · I-90 East · I-90 West · I-93 North · I-93 South · I-95 North · I-95 South · I-290 East · I-290 West · I-495 North · I-495 South