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Traffic heat map of Sagadahoc County, Maine: 228 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 295 and Mill Street

Sagadahoc County, Maine Traffic Counts

Our Sagadahoc County, Maine traffic data covers 2,903 road segments over 228 road miles, with an average segment of just 415 ft. Its highways rank among the top 3 counties in Maine for trucks per day. Whether you are evaluating a new retail location, planning routes or assessing infrastructure, these numbers replace guesswork.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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Total Traffic Volume & Performance in Sagadahoc County, Maine

Traffic

The average number of vehicles that travel each day over any road in the road network.

vehicles per day4,304
Trucks

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

10.3%
Average travel time

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

33.6 min
Congestion ratio

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

12.7%
Drivers’ average age

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

51.5 yrs
Drivers’ average income

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

$81,761

Our data shows 4,304 vehicles per day on the average road in Sagadahoc County, Maine, and 1,256,434 vehicle-miles traveled per day (≈459 million per year) across its 228 miles of monitored roads. At 10.3%, the truck share runs above the 8.7% across Maine: about 1 in 10 vehicles.

Shorter trips than 80% of counties in Maine

Sagadahoc's average daily traffic volume is 11% lower than the state average - 4,304 vehicles per day against 4,836 - a factor worth weighing in site selection and logistics planning. Network-wide, Sagadahoc accounts for about 3.8% of Maine's statewide total of vehicle-miles. By volume, Sagadahoc's 4,304 vehicles per day outpaces 67% of counties in Maine.

At 33.6 minutes, the average travel time matches the state level closely. 80% of counties in Maine have a longer average travel time than Sagadahoc's 33.6 minutes.

The congestion ratio of 12.7% 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 Sagadahoc County, Maine

Trafficvehicles per day15,007
Trucks12.6%
Average travel time43.9 min
Congestion ratio38.6%
Drivers’ average age52.0 yrs
Drivers’ average income$80,550

A little more than half of the driving in Sagadahoc County, Maine happens on highways: 64% of all vehicle-miles. The average highway carries 15,007 vehicles per day, 357% more than the average non-highway road in the same area, which carries 3,287 vehicles per day.

With 27% of the road miles (60 miles in 252 segments), highways punch above their length, carrying 802,167 vehicle-miles traveled per day (≈293 million per year).

By highway travel volume, Sagadahoc outranks 71% of counties in Maine.

More highway trucks than 93% of counties in Maine

At 12.6%, the highway truck share matches the state average for similar road classifications. The highway traffic mix is typical for Maine: neither freight- nor commuter-dominated.

By truck concentration, highways here outrank 57% of counties in Maine. By raw truck volume, Sagadahoc carries more highway trucks than 93% of counties in Maine.

non-highway traffic icon

Non-highway Traffic in Sagadahoc County, Maine

Trafficvehicles per day3,287
Trucks6.1%
Average travel time32.6 min
Congestion ratio10.3%
Drivers’ average age50.9 yrs
Drivers’ average income$83,446

A significant share of driving in Sagadahoc County, Maine, 36% of vehicle-miles, happens on local roads. The average non-highway road carries 3,287 vehicles per day.

Local roads make up 73% of the monitored road miles (168 miles in 2,651 segments) but carry less than their share of travel: 454,267 vehicle-miles traveled per day (≈166 million per year). Trucks make up 6.1% of non-highway traffic, about 1 in 16 vehicles.

Drivers from higher-income areas than 87% of counties in Maine

The concentration of trucks on non-highway roads is 52% lower than on highways.

The non-highway congestion ratio of 10.3% is 26% lower than the state level, suggesting more efficient local mobility than the state average.

Trip origins here have higher average income than 87% of counties in Maine. Sagadahoc's median driver age is lower than 53% of counties in Maine.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In Sagadahoc County, Maine, the peak hour concentrates about 8% of the day's traffic.

Sagadahoc County vs. Maine Traffic Comparison

Sagadahoc County's biggest difference from the Maine average is its truck share, 18% above it.

MetricSagadahoc CountyMaine averageDifference
Traffic4,3044,836-11.0%
Truck % (Total Traffic)10.3%8.7%+17.9%
Truck % (Highway)12.6%12.3%+2.3%
Avg. Travel Time33.6 min34.6 min-2.9%

How Sagadahoc County compares

Sagadahoc County has a higher truck share than any nearby county

Compared with its 4 closest neighbours, Sagadahoc County moves 39.5% of the total daily travel; it has the fourth busiest roads of the five. Less traffic and more room for it - the roads here run both quieter and freer than the areas around them.

Sagadahoc County and the 4 nearest county-level areas by centroid distance, with the Maine average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Sagadahoc County4,30410.3%1,256,43433.6 min12.7%
Lincoln County, Maine3,6297.4%924,04434.1 min12.8%
Androscoggin County, Maine6,3007.3%2,119,67940.5 min17.5%
Cumberland County, Maine6,6868.1%6,382,38032.7 min19.1%
Kennebec County, Maine5,3039.1%3,288,04135.8 min15.6%
Maine average4,8368.7%N/A34.6 min14.6%

Sagadahoc County ranked within Maine

On highway truck volume and average driver income, Sagadahoc County is among the three highest county-level areas in Maine.

Sagadahoc County ranked among 16 county-level areas in Maine (1 = highest); measures without data in every county rank a smaller field, down to 15.
MeasureSagadahoc CountyMaine rank
Traffic volume (AADT)4,304#6 of 16
Highway vehicle-miles per day802,167#5 of 15
Truck share on highways12.6%#7 of 15
Highway trucks per day1,897#2 of 15
Average travel time33.6 min#13 of 16
Average driver income$81,761#3 of 16
Average driver age51.5 yrs#9 of 16

The two ends of this table sit far apart: #2 of 15 on highway truck volume, against #13 of 16 on average travel time.

Busiest roads in Sagadahoc County, Maine

The three busiest roads in Sagadahoc County average 25,231 vehicles a day, 5.9 times the county average of 4,304 across all its monitored roads.

I 295 leads with 26,426 vehicles a day, 3,736 of them trucks (14.1%). It tops the truck ranking too, with the most trucks.

I 295 carries longer journeys than most roads here, with a median trip of 49.3 minutes against 33.6 county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 295Motorway · 26,426vehicles3,736trucks · 14.1%
Road class
Motorway
Congestion ratio
22.6%
Median trip time
49.3 min
Drivers’ median age
50.3 yrs
Drivers’ average income
$80,746

I 295 carries 6.1 times the county average on its busiest stretch, where the median trip lasts 49.3 minutes.

2Mill StreetTrunk road · 24,910vehicles1,503trucks · 6.0%
Road class
Trunk road
Congestion ratio
70.8%
Median trip time
38.6 min
Drivers’ median age
51.3 yrs
Drivers’ average income
$83,379

Mill Street is one of the more congested roads here: trips take 71% longer than at free-flow speed, against 13% county-wide.

3Main StreetTrunk road · 24,357vehicles2,055trucks · 8.4%
Road class
Trunk road
Congestion ratio
36.7%
Median trip time
42.5 min
Drivers’ median age
54.3 yrs
Drivers’ average income
$80,857

At 5.7 times the county average, Main Street draws drivers from neighborhoods averaging $80,857 in household income.

4Leeman HighwayTrunk road · 24,262vehicles2,025trucks · 8.3%
Road class
Trunk road
Congestion ratio
50.7%
Median trip time
45.0 min
Drivers’ median age
52.5 yrs
Drivers’ average income
$79,531

Delays build on Leeman Highway: its congestion ratio of 51% over free-flow time is well above the county's 13%.

5Route 1Trunk road · 19,315vehicles1,799trucks · 9.3%
Road class
Trunk road
Congestion ratio
46.5%
Median trip time
47.2 min
Drivers’ median age
53.7 yrs
Drivers’ average income
$82,070

Route 1 carries through traffic: the median trip using it lasts 47.2 minutes, against 33.6 for the county.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 295Motorway · #1 by traffic26,426vehicles3,736trucks · 14.1%
2Main StreetTrunk road · #3 by traffic24,357vehicles2,055trucks · 8.4%
3Leeman HighwayTrunk road · #4 by traffic24,262vehicles2,025trucks · 8.3%
4Bath RoadTrunk road · 18,601vehicles1,974trucks · 10.6%
Road class
Trunk road
Congestion ratio
45.0%
Median trip time
47.0 min
Drivers’ median age
54.2 yrs
Drivers’ average income
$81,741

Drivers on Bath Road are on long journeys, a median 47.0 minutes against 33.6 county-wide: a through route more than a local street.

5Route 1Trunk road · #5 by traffic19,315vehicles1,799trucks · 9.3%
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

SagadahocDepartment 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 Sagadahoc County

The same traffic breakdown for the areas closest to Sagadahoc County, Maine.

Need segment-level traffic data?

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