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Traffic heat map of Steuben County, Indiana: 361 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 69 and Indiana Toll Road

Steuben County, Indiana Traffic Counts

Traffic analytics for Steuben County, Indiana, calculated from real-world mobile and sensor networks on 2,863 road segments (361 road miles, about 666 ft each). About 1 in 5 vehicles here is a truck, against 1 in 8 across Indiana. Use the figures below to move from assumptions to certainty on retail locations, logistics and road planning.
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 Steuben County, Indiana

Traffic

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

vehicles per day3,600
Trucks

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

20.7%
Average travel time

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

34.9 min
Congestion ratio

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

12.0%
Drivers’ average age

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

49.1 yrs
Drivers’ average income

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

$72,072

A typical monitored road in Steuben County, Indiana sees 3,600 vehicles per day, while its 361 miles of monitored roads together handle 1,616,611 vehicle-miles traveled per day (≈590 million per year). Freight weighs heavily here: trucks are 20.7% of traffic, against 12.1% across Indiana.

Longer trips than 70% of counties in Indiana

Steuben's average daily traffic volume is 37% lower than the state average - 3,600 vehicles per day against 5,704 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Steuben accounts for about 1.0% of Indiana's statewide total of vehicle-miles. Steuben carries less traffic than 51% of counties in Indiana.

The average trip takes 34.9 minutes, on par with the state level. Its average travel time of 34.9 minutes is longer than 70% of counties in Indiana.

Congestion runs 23% lower than the state level, at a ratio of 12.0%, which means smoother traffic flow - crucial for traffic control improvement and logistics planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Steuben County, Indiana

Trafficvehicles per day9,915
Trucks29.3%
Average travel time58.6 min
Congestion ratio22.0%
Drivers’ average age49.0 yrs
Drivers’ average income$74,813

Highways carry more than half of all travel in Steuben County, Indiana (62% of vehicle-miles). The average highway carries 9,915 vehicles per day, 203% more than the average non-highway road in the same area, which carries 3,275 vehicles per day.

With 26% of the road miles (94 miles in 140 segments), highways punch above their length, carrying 1,006,666 vehicle-miles traveled per day (≈367 million per year).

By highway travel volume, Steuben outranks 77% of counties in Indiana.

Higher highway truck share than 86% of counties in Indiana

At 29.3%, highway truck share is 49% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.

By truck concentration, highways here outrank 86% of counties in Indiana. By raw truck volume, Steuben carries more highway trucks than 62% of counties in Indiana.

non-highway traffic icon

Non-highway Traffic in Steuben County, Indiana

Trafficvehicles per day3,275
Trucks6.5%
Average travel time33.7 min
Congestion ratio11.5%
Drivers’ average age49.2 yrs
Drivers’ average income$71,022

A significant share of driving in Steuben County, Indiana, 38% of vehicle-miles, happens on local roads. A typical local road sees 3,275 vehicles per day.

Spread over 268 miles and 2,723 segments, 74% of the road network, local roads carry a lighter load per mile: 609,945 vehicle-miles traveled per day (≈223 million per year). Trucks make up 6.5% of non-highway traffic, about 1 in 15 vehicles.

Older drivers than 73% of counties in Indiana

Non-highway roads carry a truck concentration that's 78% lower than the highway network.

Non-highway congestion (11.5%) runs 24% lower than the state average, pointing to smoother local traffic flow.

Trip origins here have lower average income than 57% of counties in Indiana. Steuben's median driver age is higher than 73% of counties in Indiana.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In Steuben County, Indiana, the peak hour concentrates about 7% of the day's traffic.

Steuben County vs. Indiana Traffic Comparison

Steuben County's biggest difference from the Indiana average is its truck share, 71% above it. Its highway truck share is also 49% above.

MetricSteuben CountyIndiana averageDifference
Traffic3,6005,704-36.9%
Truck % (Total Traffic)20.7%12.1%+70.7%
Truck % (Highway)29.3%19.6%+49.4%
Avg. Travel Time34.9 min33.5 min+4.2%

How Steuben County compares

Steuben County moves more traffic than any nearby county

Steuben 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 second busiest roads of the five.

Steuben County and the 4 nearest county-level areas by centroid distance, with the Indiana average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Steuben County3,60020.7%1,616,61134.9 min12.0%
DeKalb County, Indiana3,79611.8%1,442,07128.6 min11.2%
Branch County, Michigan3,31812.3%1,009,26234.1 min11.9%
Williams County, Ohio1,85021.5%1,189,37934.2 min7.1%
LaGrange County, Indiana2,87125.8%1,461,50242.4 min9.9%
Indiana average5,70412.1%N/A33.5 min15.6%

Steuben County ranked within Indiana

Steuben County sits in the top quarter of the Indiana field on truck share on highways, at #12 of 79.

Steuben County ranked among 92 county-level areas in Indiana (1 = highest); measures without data in every county rank a smaller field, down to 79.
MeasureSteuben CountyIndiana rank
Traffic volume (AADT)3,600#47 of 92
Highway vehicle-miles per day1,006,666#19 of 79
Truck share on highways29.3%#12 of 79
Highway trucks per day2,901#31 of 79
Average travel time34.9 min#27 of 92
Average driver income$72,072#53 of 92
Average driver age49.1 yrs#26 of 92

Busiest roads in Steuben County, Indiana

The three busiest roads in Steuben County average 19,565 vehicles a day, 5.4 times the county average of 3,600 across all its monitored roads.

I 69 is the busiest road, at 21,705 vehicles a day, 4,070 of them trucks (18.8%). Indiana Toll Road carries the most trucks, 7,983 a day (39.9% of its traffic), although it ranks #2 for all traffic.

Indiana Toll Road carries longer journeys than most roads here, with a median trip of 75.2 minutes against 34.9 county-wide.

Freight stands out on Indiana Toll Road and Ohio Turnpike: trucks are 39.9% and 37.7% of the traffic there, against 20.7% county-wide.

N Old US 27 is busy with cars rather than freight: only 4.7% of its traffic is trucks, against 20.7% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 69Motorway · 21,705vehicles4,070trucks · 18.8%
Road class
Motorway
Congestion ratio
22.4%
Median trip time
52.1 min
Drivers’ median age
48.8 yrs
Drivers’ average income
$73,517

Drivers on I 69 are on long journeys, a median 52.1 minutes against 34.9 county-wide: a through route more than a local street.

2Indiana Toll RoadMotorway · 20,032vehicles7,983trucks · 39.9%
Road class
Motorway
Congestion ratio
21.6%
Median trip time
75.2 min
Drivers’ median age
49.5 yrs
Drivers’ average income
$79,285

Indiana Toll Road is a trunk route for the county, carrying 5.6 times the county average on its busiest stretch; trucks are 39.9% of it, above the county-wide 20.7%.

3N Old US 27Secondary road · 16,956vehicles795trucks · 4.7%
Road class
Secondary road
Congestion ratio
40.2%
Median trip time
32.4 min
Drivers’ median age
49.7 yrs
Drivers’ average income
$69,184

Travel on N Old US 27's busiest stretch runs 40% over free-flow time, against 12% across the county, so expect slower peak hours.

4Wayne StreetSecondary road · 16,930vehicles839trucks · 5.0%
Road class
Secondary road
Congestion ratio
41.1%
Median trip time
32.2 min
Drivers’ median age
49.9 yrs
Drivers’ average income
$69,080

Wayne Street is one of the more congested roads here: trips take 41% longer than at free-flow speed, against 12% county-wide.

5Ohio TurnpikeMotorway · 12,461vehicles4,697trucks · 37.7%
Road class
Motorway
Median trip time
63.8 min
Drivers’ median age
55.5 yrs
Drivers’ average income
$73,248

Ohio Turnpike carries through traffic: the median trip using it lasts 63.8 minutes, against 34.9 for the county.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Indiana Toll RoadMotorway · #2 by traffic20,032vehicles7,983trucks · 39.9%
2Ohio TurnpikeMotorway · #5 by traffic12,461vehicles4,697trucks · 37.7%
3I 69Motorway · #1 by traffic21,705vehicles4,070trucks · 18.8%
4Wayne StreetSecondary road · #4 by traffic16,930vehicles839trucks · 5.0%
5Maumee StreetPrimary road · 9,698vehicles824trucks · 8.5%
Road class
Primary road
Congestion ratio
22.8%
Median trip time
41.1 min
Drivers’ median age
48.4 yrs
Drivers’ average income
$72,183

Maumee Street carries 2.7 times the county average at its busiest, 824 of them trucks (8.5%, below the county-wide 20.7%).

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

SteubenDepartment 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 Steuben County

The same traffic breakdown for the areas closest to Steuben County, Indiana.

Need segment-level traffic data?

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