Need segment-level traffic data?
Identify traffic patterns street by street and analyze the exact corridors that matter to your project.

TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day8,166 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 6.9% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 34.4 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 24.0% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 47.2 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $116,940 |
A typical monitored road in Massachusetts sees 8,166 vehicles per day, while its 13,355 miles of monitored roads together handle 136,116,242 vehicle-miles traveled per day (≈49.7 billion per year). About 1 in 14 vehicles is a truck, fewer than the 1 in 11 across the US.
At 8,166 vehicles per day, the average monitored road in Massachusetts carries 17% more traffic than the national average of 6,986, suggesting more demand on each road - a critical factor for logistics and site planning. Across the whole network, that travel is about 1.8% of the national total. Massachusetts carries more traffic than 84% of states nationwide.
The average trip takes 34.4 minutes, on par with the national level. On travel time, Massachusetts runs longer than 80% of states nationwide.
At 27% higher than the national level, the 24.0% congestion ratio signals more pronounced congestion - a factor for delivery windows and signal timing.
| Traffic | vehicles per day23,969 |
|---|---|
| Trucks | 8.4% |
| Average travel time | 41.0 min |
| Congestion ratio | 50.5% |
| Drivers’ average age | 48.0 yrs |
| Drivers’ average income | $119,646 |
Travel in Massachusetts splits roughly evenly, with about half of it (49% of vehicle-miles) on highways. The average highway carries 23,969 vehicles per day, 217% more than the average non-highway road in the same area, which carries 7,572 vehicles per day.
With 17% of the road miles (2,266 miles in 16,061 segments), highways punch above their length, carrying 66,320,020 vehicle-miles traveled per day (≈24.2 billion per year).
56% of states nationwide move less traffic on their highways.
The concentration of trucks on highways (8.4%) is 36% lower than the national average for similar road classifications. Trucks are a small share of a very large highway flow, so Massachusetts still moves heavy freight volumes alongside its passenger traffic.
Massachusetts's highway truck share (8.4%) is lower than 94% of states nationwide. By raw truck volume, Massachusetts carries more highway trucks than 90% of states nationwide.
| Traffic | vehicles per day7,572 |
|---|---|
| Trucks | 5.5% |
| Average travel time | 34.1 min |
| Congestion ratio | 23.1% |
| Drivers’ average age | 46.8 yrs |
| Drivers’ average income | $115,297 |
Travel in Massachusetts splits roughly evenly, with about half of it (51% of vehicle-miles) on local roads. A typical local road sees 7,572 vehicles per day.
Local roads make up 83% of the monitored road miles (11,088 miles in 427,284 segments) but carry less than their share of travel: 69,796,219 vehicle-miles traveled per day (≈25.5 billion per year). About 1 in 18 vehicles on non-highway roads is a truck (5.5%).
Non-highway roads carry a truck concentration that's 34% lower than the highway network.
Non-highway congestion (23.1%) runs 26% higher than the national average, pointing to slower local traffic flow.
Massachusetts's average driver income is higher than 94% of states nationwide. 72% of states nationwide have a younger driver population than Massachusetts.
Of the four measures, highway truck share differs most: Massachusetts runs 36% below the United States average. Its truck share is also 26% below.
| Metric | Massachusetts | United States average | Difference |
|---|---|---|---|
| Traffic | 8,166 | 6,986 | +16.9% |
| Truck % (Total Traffic) | 6.9% | 9.3% | -25.9% |
| Truck % (Highway) | 8.4% | 13.1% | -35.8% |
| Avg. Travel Time | 34.4 min | 33.3 min | +3.2% |
Against the 4 nearest states, Massachusetts moves 4.2 times the total daily travel and is 34.7% more congested; it has the busiest roads of the five. Bigger and busier at once: more road than the states around it and heavier traffic on it, which makes it the centre of gravity for travel in this part of the map.
| State | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Massachusetts | 8,166 | 6.9% | 136,116,242 | 34.4 min | 24.0% |
| Rhode Island | 7,870 | 7.0% | 19,159,975 | 35.2 min | 23.3% |
| New Hampshire | 5,669 | 7.0% | 32,761,091 | 32.7 min | 17.5% |
| Connecticut | 6,794 | 8.4% | 63,263,073 | 33.2 min | 17.2% |
| Vermont | 4,027 | 8.5% | 15,079,461 | 32.7 min | 13.2% |
| United States average | 6,986 | 9.3% | N/A | 33.3 min | 18.9% |
Together, those three counties carry 49.3% of all the vehicle-miles measured in the state.
| County | Daily vehicle-miles | Average daily traffic | Truck share | Road miles |
|---|---|---|---|---|
| 1. Middlesex County | 31,388,712 | 9,540 | 6.7% | 2,380 |
| 2. Worcester County | 19,369,690 | 6,823 | 8.7% | 2,247 |
| 3. Norfolk County | 16,383,687 | 10,652 | 6.3% | 1,087 |
Massachusetts's three most truck-intensive counties account for 28.8% of the truck vehicle-miles driven in the state.
| County | Truck share | Truck share on highways | Average daily traffic | Daily vehicle-miles |
|---|---|---|---|---|
| 1. Berkshire County | 9.9% | 13.5% | 4,670 | 2,892,891 |
| 2. Hampden County | 8.8% | 13.4% | 6,842 | 8,568,961 |
| 3. Worcester County | 8.7% | 11.3% | 6,823 | 19,369,690 |
Asking the same question of truck vehicle-miles gives a different answer - Middlesex County, Worcester County, Norfolk County, Essex County and Bristol County, together 69.2% of all truck travel in Massachusetts.
The three busiest roads in Massachusetts average 161,069 vehicles a day, 19.7 times the state average of 8,166 across all its monitored roads.
Southeast Expressway in Suffolk County is the busiest road, at 174,449 vehicles a day, 10,936 of them trucks (6.3%). Wilbur Cross Highway in Worcester County carries the most trucks, 12,752 a day (24.0% of its traffic), although it is not among the 10 busiest roads overall.
Freight stands out on Wilbur Cross Highway in Worcester County and Massachusetts Turnpike in Worcester County: trucks are 24.0% and 16.6% of the traffic there, against 6.9% state-wide.
Trips using Wilbur Cross Highway in Worcester County are long: a median of 70.2 minutes against 34.4 state-wide, the mark of a through route.
Drivers on Yankee Division Highway in Middlesex County come from neighborhoods with an average household income of $147,204, 26% above the state average of $116,940.
Travel on Southeast Expressway's busiest stretch runs 102% over free-flow time, against 24% across the state, so expect slower peak hours.
A main artery: Southeast Expressway's busiest stretch carries 19.2 times the state average; trucks are 6.5% of it, below the state-wide 6.9%.
Yankee Division Highway is one of the more congested roads here: trips take 107% longer than at free-flow speed, against 24% state-wide.
Yankee Division Highway is a trunk route for the state, carrying 17.7 times the state average on its busiest stretch; trucks are 6.7% of it, in line with the state-wide 6.9%.
I 93 carries 17.6 times the state average at its busiest, 11,747 of them trucks (8.2%, above the state-wide 6.9%).
I 93 carries 17.5 times the state average on its busiest stretch, where the median trip lasts 43.6 minutes.
At 16.2 times the state average, John F. Fitzgerald Expressway draws drivers from neighborhoods averaging $121,951 in household income.
A main artery: Amvets Highway's busiest stretch carries 14.4 times the state average; trucks are 8.7% of it, above the state-wide 6.9%.
I 93 is a trunk route for the state, carrying 14.1 times the state average on its busiest stretch; trucks are 8.8% of it, above the state-wide 6.9%.
Pilgrims Highway carries 13.9 times the state average at its busiest, 8,508 of them trucks (7.5%, above the state-wide 6.9%).
Wilbur Cross Highway carries 6.5 times the state average on its busiest stretch, where the median trip lasts 70.2 minutes.
Drivers on Massachusetts Turnpike are on long journeys, a median 63.2 minutes against 34.4 state-wide: a through route more than a local street.
I 495 carries through traffic: the median trip using it lasts 47.8 minutes, against 34.4 for the state.
The average monitored road in Massachusetts carries 8,166 vehicles per day, 17% more than the national average of 6,986.
Massachusetts's highway truck share of 8.4% is lower than 94% of states nationwide.
Traffic in Massachusetts peaks in June–August, when volumes run 9% above the annual average. January is the quietest month, averaging 7,040 vehicles per day, 14% below the annual average.
Drivers on Massachusetts roads have a median age of 47 years, and the median household income of the neighborhoods trips originate from averages $116,940, 28% above the national average.
Weekday traffic has two busy windows: AM peak 7:00 AM–9:00 AM and a long afternoon plateau from 12:00 PM to 7:00 PM - about 62% above the daily average.
Trucks make up about 6.9% of all traffic in Massachusetts, rising to 8.4% on highways, where long-haul freight concentrates.
Southeast Expressway in Suffolk County carries the most, 174,449 vehicles per day on its busiest stretch, followed by Southeast Expressway in Norfolk County (157,118), Yankee Division Highway in Norfolk County (151,640), Yankee Division Highway in Middlesex County (144,352), I 93 in Middlesex County (144,064). Figures are AADT, both directions combined.
Wilbur Cross Highway in Worcester County, with about 12,752 trucks per day on its busiest stretch, 24.0% of its 53,061 vehicles.
About 174,449 vehicles per day in both directions on its busiest stretch, including 10,936 trucks (6.3%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases
The same traffic breakdown for the states closest to Massachusetts.
Identify traffic patterns street by street and analyze the exact corridors that matter to your project.
Traffic counts, truck share, congestion and driver demographics for each of the 14 counties TrafficZoom measures in Massachusetts.