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Traffic heat map of Warren County, Ohio: 623 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 75 and Northeast Expressway

Warren County, Ohio Traffic Counts

TrafficZoom tracks traffic on 623 road miles in Warren County, Ohio, divided into 18,111 segments averaging 182 ft. Its drivers come from neighborhoods among the top 3 counties in Ohio for household income. Built from cross-verified mobile and road-sensor data, these counts help you size up a retail site, plan logistics routes or assess infrastructure needs.
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 Warren County, Ohio

Traffic

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

vehicles per day6,815
Trucks

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

9.4%
Average travel time

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

31.1 min
Congestion ratio

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

16.5%
Drivers’ average age

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

47.0 yrs
Drivers’ average income

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

$112,366

The average monitored road in Warren County, Ohio carries 6,815 vehicles per day. Across its 623 miles of monitored roads, that adds up to 5,695,189 vehicle-miles traveled per day (≈2.1 billion per year). Trucks are 9.4% of traffic, close to the 9.9% across Ohio.

Busier roads than 89% of counties in Ohio

Warren's average daily traffic volume is 18% higher than the state average - 6,815 vehicles per day against 5,773 - suggesting more traffic load per road - a critical factor for logistics and site planning. Network-wide, Warren accounts for about 2.2% of Ohio's statewide total of vehicle-miles. By volume, Warren's 6,815 vehicles per day outpaces 89% of counties in Ohio.

At 31.1 minutes, the average travel time is 5% lower than the state level. On travel time, Warren runs shorter than 82% of counties in Ohio.

At 16.5%, the congestion ratio matches the state level closely.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Warren County, Ohio

Trafficvehicles per day16,588
Trucks14.5%
Average travel time44.6 min
Congestion ratio23.1%
Drivers’ average age46.5 yrs
Drivers’ average income$104,411

Highways carry about half of all travel in Warren County, Ohio, 49% of vehicle-miles. The average highway carries 16,588 vehicles per day, 154% more than the average non-highway road in the same area, which carries 6,542 vehicles per day.

With 17% of the road miles (105 miles in 492 segments), highways punch above their length, carrying 2,788,780 vehicle-miles traveled per day (≈1.0 billion per year).

That is more highway travel volume than 89% of counties in Ohio.

More highway trucks than 88% of counties in Ohio

At 14.5%, the highway truck share matches the state average for similar road classifications. The highway traffic mix is typical for Ohio: neither freight- nor commuter-dominated.

By truck concentration, highways here trail 59% of counties in Ohio. By raw truck volume, Warren carries more highway trucks than 88% of counties in Ohio.

non-highway traffic icon

Non-highway Traffic in Warren County, Ohio

Trafficvehicles per day6,542
Trucks4.4%
Average travel time30.8 min
Congestion ratio16.3%
Drivers’ average age47.1 yrs
Drivers’ average income$116,148

Local roads carry about half of all travel in Warren County, Ohio, 51% of vehicle-miles. A typical local road sees 6,542 vehicles per day.

Local roads make up 83% of the monitored road miles (518 miles in 17,619 segments) but carry less than their share of travel: 2,906,409 vehicle-miles traveled per day (≈1.1 billion per year). About 1 in 23 vehicles on non-highway roads is a truck (4.4%).

Drivers from higher-income areas than 99% of counties in Ohio

Compared to highways, non-highway routes see 70% fewer trucks by share.

The non-highway congestion ratio of 16.3% is in line with the state level.

99% of counties in Ohio see lower average driver income among trip origins than Warren. The driver population here skews younger than 80% of counties in Ohio.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 4:00 PM–7:00 PM, with volumes reaching approximately 83% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 9% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +9% versus the annual average.
Lowest month:
January is the quietest month, with volumes -30% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Warren County, Ohio, the peak hour concentrates about 8% of the day's traffic, and there is a noticeable seasonal swing of +9% in high season.

Warren County vs. Ohio Traffic Comparison

Warren County's biggest difference from the Ohio average is its average daily traffic per road, 18% above it.

MetricWarren CountyOhio averageDifference
Traffic6,8155,773+18.1%
Truck % (Total Traffic)9.4%9.9%-5.6%
Truck % (Highway)14.5%14.9%-2.4%
Avg. Travel Time31.1 min32.9 min-5.2%

How Warren County compares

Warren County against nearby counties

Warren 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.

Warren 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
Warren County6,8159.4%5,695,18931.1 min16.5%
Clinton County, Ohio3,03816.0%1,687,47036.5 min9.9%
Montgomery County, Ohio7,7618.6%10,748,48231.8 min20.3%
Greene County, Ohio4,5107.2%4,044,16732.6 min13.6%
Butler County, Ohio7,2415.3%6,365,33332.9 min16.6%
Ohio average5,7739.9%N/A32.9 min16.5%

Warren County ranked within Ohio

On average driver income, Warren County is among the three highest county-level areas in Ohio.

Warren County ranked among 88 county-level areas in Ohio (1 = highest); measures without data in every county rank a smaller field, down to 83.
MeasureWarren CountyOhio rank
Traffic volume (AADT)6,815#11 of 88
Highway vehicle-miles per day2,788,780#10 of 83
Truck share on highways14.5%#49 of 83
Highway trucks per day2,410#11 of 83
Average travel time31.1 min#72 of 88
Average driver income$112,366#2 of 88
Average driver age47.0 yrs#71 of 88

Warren County ranks #2 of 88 on average driver income but #72 of 88 on average travel time - the two describe the same roads and are worth reading together rather than either on its own.

Busiest roads in Warren County, Ohio

The three busiest roads in Warren County average 70,437 vehicles a day, 10.3 times the county average of 6,815 across all its monitored roads.

I 75 leads with 95,769 vehicles a day, 11,555 of them trucks (12.1%). No other road comes close: Northeast Expressway, in second place, carries 61,727. It tops the truck ranking too, with the most trucks.

Trucks make up 18.2% of traffic on I 71, against 9.4% across all roads in the county.

Trips using I 75 are long: a median of 46.1 minutes against 31.1 county-wide, the mark of a through route.

SR 122 draws drivers from lower-income areas: their neighborhoods average $79,353 in household income, 29% below the county's $112,366.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 75Motorway · 95,769vehicles11,555trucks · 12.1%
Road class
Motorway
Congestion ratio
50.5%
Median trip time
46.1 min
Drivers’ median age
46.2 yrs
Drivers’ average income
$96,958

Travel on I 75's busiest stretch runs 50% over free-flow time, against 16% across the county, so expect slower peak hours.

2Northeast ExpresswayMotorway · 61,727vehicles6,826trucks · 11.1%
Road class
Motorway
Congestion ratio
51.8%
Median trip time
39.1 min
Drivers’ median age
47.3 yrs
Drivers’ average income
$116,563

Northeast Expressway is one of the more congested roads here: trips take 52% longer than at free-flow speed, against 16% county-wide.

3I 71Motorway · 53,815vehicles9,792trucks · 18.2%
Road class
Motorway
Congestion ratio
47.2%
Median trip time
45.5 min
Drivers’ median age
47.0 yrs
Drivers’ average income
$109,164

Drivers on I 71 are on long journeys, a median 45.5 minutes against 31.1 county-wide: a through route more than a local street.

4SR 122Primary road · 32,053vehicles1,661trucks · 5.2%
Road class
Primary road
Congestion ratio
22.3%
Median trip time
38.6 min
Drivers’ median age
46.0 yrs
Drivers’ average income
$79,353

SR 122 carries 4.7 times the county average at its busiest, 1,661 of them trucks (5.2%, below the county-wide 9.4%).

5SR 63Primary road · 29,195vehicles2,102trucks · 7.2%
Road class
Primary road
Congestion ratio
29.7%
Median trip time
39.8 min
Drivers’ median age
46.0 yrs
Drivers’ average income
$101,691

SR 63 carries 4.3 times the county average on its busiest stretch, where the median trip lasts 39.8 minutes.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 75Motorway · #1 by traffic95,769vehicles11,555trucks · 12.1%
2I 71Motorway · #3 by traffic53,815vehicles9,792trucks · 18.2%
3Northeast ExpresswayMotorway · #2 by traffic61,727vehicles6,826trucks · 11.1%
4Hamilton Lebanon RoadTrunk road · 23,872vehicles2,180trucks · 9.1%
Road class
Trunk road
Median trip time
34.5 min
Drivers’ median age
46.3 yrs
Drivers’ average income
$101,047

At 3.5 times the county average, Hamilton Lebanon Road draws drivers from neighborhoods averaging $101,047 in household income.

5SR 63Primary road · #5 by traffic29,195vehicles2,102trucks · 7.2%
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

WarrenDepartment 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 Warren County

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

Need segment-level traffic data?

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