Traffic Predict

I-495 South Traffic in Boston

As of 1:45 am EST, I-495 South in the Boston area is averaging 64 mph across 29 sensors, about normal for this time. The slowest stretch is at 38 mph (usually 67 mph).

Open the live map of I-495 South →

Is I-495 South moving right now?

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

Best time to drive I-495 South

Traffic is usually worst on Thursday around 4 pm (about 54 mph). On weekdays the morning slowdown peaks around 8 am (58 mph on Tuesdays) and the evening slowdown around 4 pm (54 mph on Thursdays). Midday (10 am to 2 pm) averages 65 mph. On weekends it is slowest on Sundays around 9 pm (67 mph).

Typical average speed (mph) on I-495 South in Boston, by day and hour (local time)
Day5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm
Mon6867646265656565656461596067686765
Tue6866625862656565666560565664676765
Wed6866625962656565656459565564686766
Thu6865626063656565656357545463676766
Fri6968676666666564646156555764686868
Sat6870707070696767676767676869696969
Sun6870717271716967676768686869686767

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

Questions

Why is I-495 South slow right now?

Near Mile 81.4 (1/1): 38 mph, likely heavier traffic than usual for this time (usually 67 mph).

When is traffic worst on I-495 South in Boston?

Traffic on I-495 South is usually worst on Thursday around 4 pm (about 54 mph).

What is the best time to drive I-495 South in Boston?

On weekdays, avoid around 8 am (58 mph on Tuesdays) and around 4 pm (54 mph on Thursdays). Midday (10 am to 2 pm) averages 65 mph, and early mornings and late evenings are fastest.

Is I-495 South busy right now?

As of 1:45 am EST, I-495 South in the Boston area is averaging 64 mph across 29 sensors, about normal for this time. The slowest stretch is at 38 mph (usually 67 mph).

Drives that use I-495 South

Best times to leave for these trips, from typical traffic on I-495 South and the roads around it:

Haverhill to Providence · Haverhill to Pawtucket · Lawrence to Providence · Lawrence to Pawtucket · Chelmsford to Providence · Manchester to Woonsocket · Westford to Providence · Lowell to Woonsocket · Haverhill to Worcester · Worcester to Plymouth MA

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-93 South · I-95 North · I-95 South · I-290 East · I-290 West · I-495 North