US-1 South Traffic in Boston

As of 12:45 am EDT, US-1 South in the Boston area is averaging 51 mph across 5 sensors, about normal for this time.

Is US-1 South moving right now?

Yes. No stretch of US-1 South in Boston is under 40 mph right now (as of 12:45 am EDT).

Best time to drive US-1 South

Traffic is usually worst on Tuesday around 8 am (about 22 mph). On weekdays the morning slowdown peaks around 8 am (22 mph on Tuesdays) and the evening slowdown around 3 pm (46 mph on Fridays). Midday (10 am to 2 pm) averages 47 mph. On weekends it is slowest on Saturdays around 2 pm (44 mph).

Typical average speed (mph) on US-1 South in Boston, by day and hour (local time)
Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	54	41	33	32	39	48	48	48	48	48	49	49	49	50	50	49	51
Tue	52	36	25	22	28	40	47	47	50	49	50	50	50	50	50	51	50
Wed	54	38	26	25	31	41	48	48	49	49	48	49	48	47	49	50	51
Thu	53	38	28	26	32	43	47	48	49	50	48	47	47	46	49	50	51
Fri	55	44	39	42	48	50	48	46	47	46	46	47	47	47	49	50	51
Sat	56	55	54	52	49	49	46	45	45	44	44	45	45	45	48	50	50
Sun	54	58	56	56	55	52	50	46	47	46	46	46	47	46	48	48	49

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-1 South in Boston?

Traffic on US-1 South is usually worst on Tuesday around 8 am (about 22 mph).

What is the best time to drive US-1 South in Boston?

On weekdays, avoid around 8 am (22 mph on Tuesdays) and around 3 pm (46 mph on Fridays). Midday (10 am to 2 pm) averages 47 mph, and early mornings and late evenings are fastest.

Is US-1 South busy right now?

As of 12:45 am EDT, US-1 South in the Boston area is averaging 51 mph across 5 sensors, about normal for this time.

Drives that use US-1 South

Best times to leave for these trips, from typical traffic on US-1 South and the roads around it:

Peabody to Boston · Peabody to Quincy · Peabody to Braintree · Peabody to Brockton · Peabody to Plymouth MA · Peabody to Cambridge

Plan ahead: Boston traffic tomorrow · Traffic estimator

Other freeways in Boston

MA-3 North · MA-3 South · US-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

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	54	41	33	32	39	48	48	48	48	48	49	49	49	50	50	49	51
Tue	52	36	25	22	28	40	47	47	50	49	50	50	50	50	50	51	50
Wed	54	38	26	25	31	41	48	48	49	49	48	49	48	47	49	50	51
Thu	53	38	28	26	32	43	47	48	49	50	48	47	47	46	49	50	51
Fri	55	44	39	42	48	50	48	46	47	46	46	47	47	47	49	50	51
Sat	56	55	54	52	49	49	46	45	45	44	44	45	45	45	48	50	50
Sun	54	58	56	56	55	52	50	46	47	46	46	46	47	46	48	48	49

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	54	41	33	32	39	48	48	48	48	48	49	49	49	50	50	49	51
Tue	52	36	25	22	28	40	47	47	50	49	50	50	50	50	50	51	50
Wed	54	38	26	25	31	41	48	48	49	49	48	49	48	47	49	50	51
Thu	53	38	28	26	32	43	47	48	49	50	48	47	47	46	49	50	51
Fri	55	44	39	42	48	50	48	46	47	46	46	47	47	47	49	50	51
Sat	56	55	54	52	49	49	46	45	45	44	44	45	45	45	48	50	50
Sun	54	58	56	56	55	52	50	46	47	46	46	46	47	46	48	48	49

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	54	41	33	32	39	48	48	48	48	48	49	49	49	50	50	49	51
Tue	52	36	25	22	28	40	47	47	50	49	50	50	50	50	50	51	50
Wed	54	38	26	25	31	41	48	48	49	49	48	49	48	47	49	50	51
Thu	53	38	28	26	32	43	47	48	49	50	48	47	47	46	49	50	51
Fri	55	44	39	42	48	50	48	46	47	46	46	47	47	47	49	50	51
Sat	56	55	54	52	49	49	46	45	45	44	44	45	45	45	48	50	50
Sun	54	58	56	56	55	52	50	46	47	46	46	46	47	46	48	48	49