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Traffic heat map of Bristol County, Massachusetts: 1,118 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 95 and I 195

Bristol County, Massachusetts Traffic Counts

Its busiest road, I 95, carries 88,197 vehicles a day, 11.8 times the average road. This page breaks down traffic in Bristol County, Massachusetts across 1,118 miles of monitored roads split into 36,148 segments, using multi-sourced mobile and sensor data. It goes beyond raw counts to truck flow, congestion and who is driving, so site selection and route planning rest on evidence.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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total traffic icon

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
Trucks

The percentage of the total traffic volume composed of heavy vehicles.

6.5%
Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

34.5 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

21.0%
Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

48.2 yrs
Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$100,618

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 icon

Highway Traffic in Bristol County, Massachusetts

Trafficvehicles per day20,212
Trucks7.3%
Average travel time38.1 min
Congestion ratio43.3%
Drivers’ average age48.4 yrs
Drivers’ average income$102,711

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 icon

Non-highway Traffic in Bristol County, Massachusetts

Trafficvehicles per day6,887
Trucks5.5%
Average travel time34.4 min
Congestion ratio19.9%
Drivers’ average age48.1 yrs
Drivers’ average income$99,456

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.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and a long afternoon plateau from 12:00 PM to 6:00 PM, with volumes reaching approximately 68% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 17% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +10% versus the annual average.
Lowest month:
January is the quietest month, with volumes -17% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Bristol County, Massachusetts, the peak hour concentrates about 7% of the day's traffic, and there is a strong seasonal swing of +10% in high season.

Bristol County vs. Massachusetts Traffic Comparison

Bristol County stays close to the Massachusetts average; the largest gap is its highway truck share, 13% below.

MetricBristol CountyMassachusetts averageDifference
Traffic7,4948,166-8.2%
Truck % (Total Traffic)6.5%6.9%-6.6%
Truck % (Highway)7.3%8.4%-12.8%
Avg. Travel Time34.5 min34.4 min+0.5%

How Bristol County compares

Bristol County against nearby counties

Bristol County tracks the 4 areas around it closely - no measure in this table sets it far apart from the areas immediately next to it, though it has the third busiest roads of the five. The same kind of road, simply more of it: traffic per road matches the areas around it while the network itself is larger.

Bristol County and the 4 nearest county-level areas by centroid distance, with the Massachusetts average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Bristol County7,4946.5%11,722,47334.5 min21.0%
Bristol County, Rhode Island5,6237.0%372,87931.1 min16.0%
Newport County, Rhode Island4,8266.4%1,178,04031.2 min14.9%
Plymouth County, Massachusetts7,8046.0%11,686,20332.7 min21.8%
Providence County, Rhode Island9,8286.3%10,827,04036.9 min27.5%
Massachusetts average8,1666.9%N/A34.4 min24.0%

Bristol County ranked within Massachusetts

Bristol County sits close to the Massachusetts median on every measure below - no single figure sets it apart from the state as a whole.

Bristol County ranked among 14 county-level areas in Massachusetts (1 = highest); measures without data in every county rank a smaller field, down to 12.
MeasureBristol CountyMassachusetts rank
Traffic volume (AADT)7,494#6 of 14
Highway vehicle-miles per day6,357,321#5 of 12
Truck share on highways7.3%#7 of 12
Highway trucks per day1,480#8 of 12
Average travel time34.5 min#6 of 14
Average driver income$100,618#9 of 14
Average driver age48.2 yrs#6 of 14

Busiest roads in Bristol County, Massachusetts

The three busiest roads in Bristol County average 83,163 vehicles a day, 11.1 times the county average of 7,494 across all its monitored roads.

I 95 leads with 88,197 vehicles a day, 6,591 of them trucks (7.5%). It tops the truck ranking too, with the most trucks.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 95Motorway · 88,197vehicles6,591trucks · 7.5%
Road class
Motorway
Congestion ratio
73.0%
Median trip time
42.6 min
Drivers’ median age
47.1 yrs
Drivers’ average income
$114,756

Travel on I 95's busiest stretch runs 73% over free-flow time, against 21% across the county, so expect slower peak hours.

2I 195Motorway · 84,985vehicles5,862trucks · 6.9%
Road class
Motorway
Median trip time
34.4 min
Drivers’ median age
48.6 yrs
Drivers’ average income
$89,949

I 195 carries 11.3 times the county average at its busiest, 5,862 of them trucks (6.9%, above the county-wide 6.5%).

3Charles M. Braga Jr. Memorial BridgeMotorway · 76,306vehicles5,298trucks · 6.9%
Road class
Motorway
Congestion ratio
58.9%
Median trip time
35.0 min
Drivers’ median age
49.5 yrs
Drivers’ average income
$92,611

Charles M. Braga Jr. Memorial Bridge is one of the more congested roads here: trips take 59% longer than at free-flow speed, against 21% county-wide.

4I 495Motorway · 75,483vehicles4,810trucks · 6.4%
Road class
Motorway
Congestion ratio
56.9%
Median trip time
44.1 min
Drivers’ median age
48.5 yrs
Drivers’ average income
$120,498

I 495 carries 10.1 times the county average on its busiest stretch, where the median trip lasts 44.1 minutes.

5Amvets HighwayMotorway · 55,890vehicles5,168trucks · 9.2%
Road class
Motorway
Congestion ratio
54.0%
Median trip time
38.7 min
Drivers’ median age
48.0 yrs
Drivers’ average income
$105,750

At 7.5 times the county average, Amvets Highway draws drivers from neighborhoods averaging $105,750 in household income.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 95Motorway · #1 by traffic88,197vehicles6,591trucks · 7.5%
2I 195Motorway · #2 by traffic84,985vehicles5,862trucks · 6.9%
3Charles M. Braga Jr. Memorial BridgeMotorway · #3 by traffic76,306vehicles5,298trucks · 6.9%
4Amvets HighwayMotorway · #5 by traffic55,890vehicles5,168trucks · 9.2%
5I 495Motorway · #4 by traffic75,483vehicles4,810trucks · 6.4%
How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

Data Sources & Methodology

The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

BristolDepartment of Transportation

Demographic Baseline for O-D Modeling

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
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Data current as of:
Q3 2026

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Counties near Bristol County

The same traffic breakdown for the areas closest to Bristol County, Massachusetts.

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.