I-93 South Traffic in Boston

As of 1:45 am EST, I-93 South in the Boston area is averaging 64 mph across 30 sensors, about normal for this time. The slowest stretch is at 38 mph (usually 41 mph).

Open the live map of I-93 South →

Is I-93 South moving right now?

Slow stretches as of 1:45 am EST, and why:

Near Mile 51.0 (3/3): 38 mph, likely heavier traffic than usual for this time (usually 41 mph).

Best time to drive I-93 South

Traffic is usually worst on Tuesday around 8 am (about 30 mph). On weekdays the morning slowdown peaks around 8 am (30 mph on Tuesdays) and the evening slowdown around 5 pm (38 mph on Thursdays). Midday (10 am to 2 pm) averages 54 mph. On weekends it is slowest on Saturdays around 3 pm (48 mph).

Typical average speed (mph) on I-93 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	64	51	39	38	46	53	57	55	55	50	47	46	44	50	61	62	60
Tue	64	48	32	30	38	48	56	57	55	50	46	44	39	44	57	60	61
Wed	65	49	34	31	38	48	54	55	54	49	44	42	39	43	56	59	60
Thu	64	50	36	34	41	50	54	56	54	48	43	42	38	42	54	58	59
Fri	65	57	48	46	50	53	54	53	50	45	42	42	44	48	56	60	62
Sat	68	68	66	65	62	56	53	50	49	48	48	49	51	52	57	60	62
Sun	68	69	69	67	65	60	55	52	50	50	51	53	55	56	58	60	60

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

Questions

Why is I-93 South slow right now?

Near Mile 51.0 (3/3): 38 mph, likely heavier traffic than usual for this time (usually 41 mph).

When is traffic worst on I-93 South in Boston?

Traffic on I-93 South is usually worst on Tuesday around 8 am (about 30 mph).

What is the best time to drive I-93 South in Boston?

On weekdays, avoid around 8 am (30 mph on Tuesdays) and around 5 pm (38 mph on Thursdays). Midday (10 am to 2 pm) averages 54 mph, and early mornings and late evenings are fastest.

Is I-93 South busy right now?

As of 1:45 am EST, I-93 South in the Boston area is averaging 64 mph across 30 sensors, about normal for this time. The slowest stretch is at 38 mph (usually 41 mph).

Drives that use I-93 South

Best times to leave for these trips, from typical traffic on I-93 South and the roads around it:

Manchester to Brockton · Manchester to Weymouth · Manchester to Quincy · Lawrence to Fall River · Lawrence to Taunton · Lawrence to Brockton · Haverhill to Brockton · Manchester to South Boston · Concord to South Boston · Manchester to Brookline

Plan ahead: Boston traffic tomorrow · Traffic estimator

Other freeways in Boston

US-1 South · MA-3 North · MA-3 South · US-3 South · MA-24 North · I-90 East · I-90 West · I-93 North · 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	64	51	39	38	46	53	57	55	55	50	47	46	44	50	61	62	60
Tue	64	48	32	30	38	48	56	57	55	50	46	44	39	44	57	60	61
Wed	65	49	34	31	38	48	54	55	54	49	44	42	39	43	56	59	60
Thu	64	50	36	34	41	50	54	56	54	48	43	42	38	42	54	58	59
Fri	65	57	48	46	50	53	54	53	50	45	42	42	44	48	56	60	62
Sat	68	68	66	65	62	56	53	50	49	48	48	49	51	52	57	60	62
Sun	68	69	69	67	65	60	55	52	50	50	51	53	55	56	58	60	60

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	64	51	39	38	46	53	57	55	55	50	47	46	44	50	61	62	60
Tue	64	48	32	30	38	48	56	57	55	50	46	44	39	44	57	60	61
Wed	65	49	34	31	38	48	54	55	54	49	44	42	39	43	56	59	60
Thu	64	50	36	34	41	50	54	56	54	48	43	42	38	42	54	58	59
Fri	65	57	48	46	50	53	54	53	50	45	42	42	44	48	56	60	62
Sat	68	68	66	65	62	56	53	50	49	48	48	49	51	52	57	60	62
Sun	68	69	69	67	65	60	55	52	50	50	51	53	55	56	58	60	60

Day	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm
Mon	64	51	39	38	46	53	57	55	55	50	47	46	44	50	61	62	60
Tue	64	48	32	30	38	48	56	57	55	50	46	44	39	44	57	60	61
Wed	65	49	34	31	38	48	54	55	54	49	44	42	39	43	56	59	60
Thu	64	50	36	34	41	50	54	56	54	48	43	42	38	42	54	58	59
Fri	65	57	48	46	50	53	54	53	50	45	42	42	44	48	56	60	62
Sat	68	68	66	65	62	56	53	50	49	48	48	49	51	52	57	60	62
Sun	68	69	69	67	65	60	55	52	50	50	51	53	55	56	58	60	60