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Traffic heat map of Preble County, Ohio: 473 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 70 and Barron Street

Preble County, Ohio Traffic Counts

Our Preble County, Ohio traffic data covers 8,137 road segments over 473 road miles, with an average segment of just 307 ft. About 1 in 5 vehicles here is a truck, against 1 in 10 across Ohio. 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 Preble County, Ohio

Traffic

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

vehicles per day2,268
Trucks

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

19.0%
Average travel time

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

32.1 min
Congestion ratio

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

7.6%
Drivers’ average age

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

49.4 yrs
Drivers’ average income

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

$71,622

A typical monitored road in Preble County, Ohio sees 2,268 vehicles per day, while its 473 miles of monitored roads together handle 1,309,943 vehicle-miles traveled per day (≈478 million per year). Freight weighs heavily here: trucks are 19.0% of traffic, against 9.9% across Ohio.

Traffic 61% below the Ohio average

At 2,268 vehicles per day, the average monitored road in Preble carries 61% less traffic than the state average of 5,773, suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Across the whole network, that travel is about 0.5% of Ohio's statewide total. Preble carries less traffic than 78% of counties in Ohio.

At 32.1 minutes, the average travel time matches the state level closely. Its average travel time of 32.1 minutes is shorter than 70% of counties in Ohio.

At 54% lower than the state level, the 7.6% congestion ratio signals smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Preble County, Ohio

Trafficvehicles per day7,883
Trucks27.7%
Average travel time42.2 min
Congestion ratio16.4%
Drivers’ average age48.2 yrs
Drivers’ average income$69,533

A little more than half of the driving in Preble County, Ohio happens on highways: 60% of all vehicle-miles. The average highway carries 7,883 vehicles per day, 379% more than the average non-highway road in the same area, which carries 1,646 vehicles per day.

Yet highways are only 15% of the road network, 73 miles in 811 segments, so each mile of them is 3.9 times as busy as the average road mile.

Higher highway truck share than 93% of counties in Ohio

The concentration of trucks on highways (27.7%) is 86% higher than the state average for similar road classifications. That marks Preble as a major freight corridor, where highway access is what logistics operators compete on.

By truck concentration, highways here outrank 93% of counties in Ohio. By raw truck volume, Preble carries more highway trucks than 76% of counties in Ohio.

non-highway traffic icon

Non-highway Traffic in Preble County, Ohio

Trafficvehicles per day1,646
Trucks5.9%
Average travel time31.0 min
Congestion ratio6.6%
Drivers’ average age50.8 yrs
Drivers’ average income$72,750

Local roads carry a significant share of travel in Preble County, Ohio: 40% of all vehicle-miles. On the average non-highway road, that comes to 1,646 vehicles per day.

Local roads make up 85% of the monitored road miles (401 miles in 7,326 segments) but carry less than their share of travel: 520,399 vehicle-miles traveled per day (≈190 million per year). The truck share on non-highway roads is 5.9%.

Local congestion 58% below the Ohio average

Compared to highways, non-highway routes see 79% fewer trucks by share.

The non-highway congestion ratio of 6.6% is 58% lower than the state level, suggesting more efficient local mobility than the state average.

Trip origins here have higher average income than 51% of counties in Ohio. The driver population here skews older than 59% of counties in Ohio.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

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

Preble County vs. Ohio Traffic Comparison

The truck share sets Preble County apart: 92% above the Ohio average. Its highway truck share is also 86% above.

MetricPreble CountyOhio averageDifference
Traffic2,2685,773-60.7%
Truck % (Total Traffic)19.0%9.9%+91.6%
Truck % (Highway)27.7%14.9%+85.8%
Avg. Travel Time32.1 min32.9 min-2.2%

How Preble County compares

Preble County against nearby counties

Compared with its 4 closest neighbours, Preble County carries 49.5% less traffic on a typical road and is 35.3% less congested; it has the fourth busiest roads of the five. Freight passes through here that never reaches the areas around it: the truck share is high precisely because the local car traffic is not.

Preble County and the 4 nearest county-level areas by centroid distance, with the Ohio average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Preble County2,26819.0%1,309,94332.1 min7.6%
Union County, Indiana2,2558.8%135,32733.0 min7.0%
Wayne County, Indiana5,58121.9%1,543,07438.0 min11.8%
Montgomery County, Ohio7,7618.6%10,748,48231.8 min20.3%
Darke County, Ohio2,3718.3%987,46436.2 min7.9%
Ohio average5,7739.9%N/A32.9 min16.5%

Preble County ranked within Ohio

Preble County sits in the top quarter of the Ohio field on truck share on highways, at #7 of 83.

Preble County ranked among 88 county-level areas in Ohio (1 = highest); measures without data in every county rank a smaller field, down to 83.
MeasurePreble CountyOhio rank
Traffic volume (AADT)2,268#69 of 88
Highway vehicle-miles per day789,543#46 of 83
Truck share on highways27.7%#7 of 83
Highway trucks per day2,180#21 of 83
Average travel time32.1 min#62 of 88
Average driver income$71,622#44 of 88
Average driver age49.4 yrs#37 of 88

The two ends of this table sit far apart: #7 of 83 on truck share on highways, against #69 of 88 on average daily traffic volume.

Busiest roads in Preble County, Ohio

On their busiest stretches, the three busiest roads in Preble County carry 19,082 vehicles a day on average, 8.4 times the typical road in the county (2,268).

I 70 leads with 32,431 vehicles a day, 11,006 of them trucks (33.9%). No other road comes close: Barron Street, in second place, carries 12,982. It also carries the most trucks.

I 70 carries longer journeys than most roads here, with a median trip of 60.3 minutes against 32.1 county-wide.

Freight stands out on I 70: trucks are 33.9% of the traffic there, against 19.0% county-wide.

Barron Street is busy with cars rather than freight: only 4.4% of its traffic is trucks, against 19.0% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 70Motorway · 32,431vehicles11,006trucks · 33.9%
Road class
Motorway
Congestion ratio
34.2%
Median trip time
60.3 min
Drivers’ median age
48.2 yrs
Drivers’ average income
$76,092

Delays build on I 70: its congestion ratio of 34% over free-flow time is well above the county's 8%.

2Barron StreetTrunk road · 12,982vehicles570trucks · 4.4%
Road class
Trunk road
Congestion ratio
20.7%
Median trip time
33.8 min
Drivers’ median age
47.6 yrs
Drivers’ average income
$63,691

A main artery: Barron Street's busiest stretch carries 5.7 times the county average; trucks are 4.4% of it, below the county-wide 19.0%.

3Main StreetTrunk road · 11,834vehicles819trucks · 6.9%
Road class
Trunk road
Congestion ratio
29.1%
Median trip time
36.2 min
Drivers’ median age
51.5 yrs
Drivers’ average income
$61,563

Travel on Main Street's busiest stretch runs 29% over free-flow time, against 8% across the county, so expect slower peak hours.

4US 127Trunk road · 6,524vehicles700trucks · 10.7%
Road class
Trunk road
Congestion ratio
15.6%
Median trip time
38.5 min
Drivers’ median age
47.4 yrs
Drivers’ average income
$69,711

On its busiest stretch, US 127 carries 2.9 times the county average; trucks are 10.7% of it, below the county-wide 19.0%.

5US 35Trunk road · 6,050vehicles544trucks · 9.0%
Road class
Trunk road
Congestion ratio
13.0%
Median trip time
38.1 min
Drivers’ median age
51.8 yrs
Drivers’ average income
$64,922

US 35 peaks at 6,050 vehicles a day, 2.7 times the county average; trucks are 9.0% of it, below the county-wide 19.0%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 70Motorway · #1 by traffic32,431vehicles11,006trucks · 33.9%
2Main StreetTrunk road · #3 by traffic11,834vehicles819trucks · 6.9%
3US 127Trunk road · #4 by traffic6,524vehicles700trucks · 10.7%
4Barron StreetTrunk road · #2 by traffic12,982vehicles570trucks · 4.4%
5US 35Trunk road · #5 by traffic6,050vehicles544trucks · 9.0%
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

PrebleDepartment 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 Preble County

The same traffic breakdown for the areas closest to Preble County, Ohio.

Need segment-level traffic data?

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