MA-3 South Traffic in Boston

As of 6:45 pm EDT, MA-3 South in the Boston area is averaging 66 mph across 9 sensors, about normal for this time.

Is MA-3 South moving right now?

Yes. No stretch of MA-3 South in Boston is under 40 mph right now (as of 6:45 pm EDT).

Best time to drive MA-3 South

Traffic is usually worst on Friday around 4 pm (about 44 mph). On weekdays the morning slowdown peaks around 10 am (59 mph on Fridays) and the evening slowdown around 4 pm (44 mph on Fridays). Midday (10 am to 2 pm) averages 58 mph. On weekends it is slowest on Saturdays around 12 pm (49 mph).

Typical average speed (mph) on MA-3 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	68	68	66	65	63	62	60	57	58	56	55	54	55	62	67	65	63
Tue	69	69	67	65	65	64	61	60	60	57	53	51	53	59	65	65	62
Wed	68	68	67	66	65	63	59	58	58	55	52	51	52	58	63	64	60
Thu	68	68	66	64	63	63	59	57	55	51	47	47	47	55	61	60	58
Fri	69	68	66	63	62	59	53	50	49	46	45	44	47	56	63	65	67
Sat	69	70	69	67	62	56	50	49	51	53	56	60	63	67	67	67	67
Sun	68	69	71	70	70	68	64	61	61	62	65	66	68	68	68	65	66

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 MA-3 South in Boston?

Traffic on MA-3 South is usually worst on Friday around 4 pm (about 44 mph).

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

On weekdays, avoid around 10 am (59 mph on Fridays) and around 4 pm (44 mph on Fridays). Midday (10 am to 2 pm) averages 58 mph, and early mornings and late evenings are fastest.

Is MA-3 South busy right now?

As of 6:45 pm EDT, MA-3 South in the Boston area is averaging 66 mph across 9 sensors, about normal for this time.

Drives that use MA-3 South

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

Boston to Plymouth MA · Cambridge to Plymouth MA · Newton to Plymouth MA · Framingham to Plymouth MA · Woburn to Plymouth MA · Dedham to Plymouth MA · Natick to Plymouth MA · BOS to Plymouth MA · Waltham to Plymouth MA · Burlington MA to Plymouth MA

Plan ahead: Boston traffic tomorrow · Traffic estimator

Other freeways in Boston

US-1 South · MA-3 North · 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	68	68	66	65	63	62	60	57	58	56	55	54	55	62	67	65	63
Tue	69	69	67	65	65	64	61	60	60	57	53	51	53	59	65	65	62
Wed	68	68	67	66	65	63	59	58	58	55	52	51	52	58	63	64	60
Thu	68	68	66	64	63	63	59	57	55	51	47	47	47	55	61	60	58
Fri	69	68	66	63	62	59	53	50	49	46	45	44	47	56	63	65	67
Sat	69	70	69	67	62	56	50	49	51	53	56	60	63	67	67	67	67
Sun	68	69	71	70	70	68	64	61	61	62	65	66	68	68	68	65	66

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	68	68	66	65	63	62	60	57	58	56	55	54	55	62	67	65	63
Tue	69	69	67	65	65	64	61	60	60	57	53	51	53	59	65	65	62
Wed	68	68	67	66	65	63	59	58	58	55	52	51	52	58	63	64	60
Thu	68	68	66	64	63	63	59	57	55	51	47	47	47	55	61	60	58
Fri	69	68	66	63	62	59	53	50	49	46	45	44	47	56	63	65	67
Sat	69	70	69	67	62	56	50	49	51	53	56	60	63	67	67	67	67
Sun	68	69	71	70	70	68	64	61	61	62	65	66	68	68	68	65	66

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	68	68	66	65	63	62	60	57	58	56	55	54	55	62	67	65	63
Tue	69	69	67	65	65	64	61	60	60	57	53	51	53	59	65	65	62
Wed	68	68	67	66	65	63	59	58	58	55	52	51	52	58	63	64	60
Thu	68	68	66	64	63	63	59	57	55	51	47	47	47	55	61	60	58
Fri	69	68	66	63	62	59	53	50	49	46	45	44	47	56	63	65	67
Sat	69	70	69	67	62	56	50	49	51	53	56	60	63	67	67	67	67
Sun	68	69	71	70	70	68	64	61	61	62	65	66	68	68	68	65	66