
Total Traffic Volume & Performance in Bristol County, Massachusetts
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day7,494 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 6.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.5 min |
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Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 21.0% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.2 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $100,618 |
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The average monitored road in Bristol County, Massachusetts carries 7,494 vehicles per day. Across its 1,118 miles of monitored roads, that adds up to 11,722,473 vehicle-miles traveled per day (≈4.3 billion per year). Trucks are 6.5% of traffic, close to the 6.9% across Massachusetts.
Congestion 13% below the Massachusetts average
At 7,494 vehicles per day, the average road in Bristol carries somewhat less traffic than the state average of 8,166 (8% less). Network-wide, Bristol accounts for about 8.6% of Massachusetts's statewide total of vehicle-miles. By volume, Bristol's 7,494 vehicles per day outpaces 62% of counties in Massachusetts.
At 34.5 minutes, the average travel time matches the state level closely. On travel time, Bristol runs longer than 62% of counties in Massachusetts.
The congestion ratio of 21.0% runs slightly lower than the state level (13% lower) - relevant for traffic control and delivery planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Bristol County, Massachusetts
| Traffic | vehicles per day20,212 |
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| Trucks | 7.3% |
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| Average travel time | 38.1 min |
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| Congestion ratio | 43.3% |
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| Drivers’ average age | 48.4 yrs |
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| Drivers’ average income | $102,711 |
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Travel in Bristol County, Massachusetts splits roughly evenly, with about half of it (54% of vehicle-miles) on highways. The average highway carries 20,212 vehicles per day, 193% more than the average non-highway road in the same area, which carries 6,887 vehicles per day.
Highways make up 21% of the monitored road miles (234 miles, 1,646 segments), so they carry more than their share: 6,357,321 vehicle-miles traveled per day (≈2.3 billion per year).
64% of counties in Massachusetts move less traffic on their highways.
A typical mix of freight and passenger traffic
The concentration of trucks on highways (7.3%) is 13% lower than the state average for similar road classifications. The highway traffic mix is typical for Massachusetts: neither freight- nor commuter-dominated.
Bristol's highway truck share (7.3%) is lower than 55% of counties in Massachusetts. Bristol's highway truck count is lower than 64% of counties in Massachusetts, at roughly 1,480 trucks per day.

Non-highway Traffic in Bristol County, Massachusetts
| Traffic | vehicles per day6,887 |
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| Trucks | 5.5% |
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| Average travel time | 34.4 min |
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| Congestion ratio | 19.9% |
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| Drivers’ average age | 48.1 yrs |
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| Drivers’ average income | $99,456 |
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Travel in Bristol County, Massachusetts splits roughly evenly, with about half of it (46% of vehicle-miles) on local roads. A typical local road sees 6,887 vehicles per day.
Local roads make up 79% of the monitored road miles (884 miles in 34,502 segments) but carry less than their share of travel: 5,365,151 vehicle-miles traveled per day (≈2.0 billion per year). About 1 in 18 vehicles on non-highway roads is a truck (5.5%).
Local congestion 14% below the Massachusetts average
Compared to highways, non-highway routes see 25% fewer trucks by share.
Non-highway congestion (19.9%) runs slightly lower than the state level (14% lower).
Bristol's average driver income is lower than 62% of counties in Massachusetts. 62% of counties in Massachusetts have a younger driver population than Bristol.