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Traffic heat map of Knox County, Ohio: 381 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Main Street and Gay Street

Knox County, Ohio Traffic Counts

How busy are the roads of Knox County, Ohio? We measure 381 road miles, divided into 8,142 segments, with multi-sourced, cross-verified mobile and sensor data. Its busiest road, Main Street, carries 32,886 vehicles a day, 10.0 times the average road. The breakdown below covers volume, trucks, congestion and driver profiles for retailers, logistics planners and engineers.
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 Knox County, Ohio

Traffic

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

vehicles per day3,299
Trucks

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

7.1%
Average travel time

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

34.6 min
Congestion ratio

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

9.9%
Drivers’ average age

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

48.7 yrs
Drivers’ average income

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

$74,978

A typical monitored road in Knox County, Ohio sees 3,299 vehicles per day, while its 381 miles of monitored roads together handle 938,424 vehicle-miles traveled per day (≈343 million per year). About 1 in 14 vehicles is a truck, fewer than the 1 in 10 across Ohio.

Traffic 43% below the Ohio average

Knox's average daily traffic volume is 43% lower than the state average - 3,299 vehicles per day against 5,773 - suggesting less traffic load per road - less drive-by exposure for retail, but easier access for deliveries. Across the whole network, that travel is about 0.4% of Ohio's statewide total. Knox carries more traffic than 53% of counties in Ohio.

The average trip takes 34.6 minutes, 5% higher than the state level. 69% of counties in Ohio have a shorter average travel time than Knox's 34.6 minutes.

The congestion ratio of 9.9% is 40% lower, pointing to smoother traffic flow than the state level - fewer delays make delivery windows more reliable.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Knox County, Ohio

Trafficvehicles per day8,940
Trucks10.7%
Average travel time37.6 min
Congestion ratio19.5%
Drivers’ average age48.6 yrs
Drivers’ average income$68,176

At 18% of vehicle-miles, highways carry a smaller share of the traffic in Knox County, Ohio than local roads. The average highway carries 8,940 vehicles per day, 208% more than the average non-highway road in the same area, which carries 2,901 vehicles per day.

Highways make up 8% of the monitored road miles (29 miles, 536 segments), so they carry more than their share: 173,439 vehicle-miles traveled per day (≈63.3 million per year).

Fewer highway trucks than 88% of counties in Ohio

At 10.7%, highway truck share is 28% lower than the state average. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.

84% of counties in Ohio see a higher highway truck share than Knox's 10.7%. Knox's highway truck count is lower than 88% of counties in Ohio, at roughly 956 trucks per day.

non-highway traffic icon

Non-highway Traffic in Knox County, Ohio

Trafficvehicles per day2,901
Trucks6.3%
Average travel time34.4 min
Congestion ratio9.3%
Drivers’ average age48.8 yrs
Drivers’ average income$76,568

The vast majority of driving in Knox County, Ohio happens on local roads: 82% of all vehicle-miles. On the average non-highway road, that comes to 2,901 vehicles per day.

Their share of road miles is similar, 92% (352 miles in 7,606 segments), carrying 764,986 vehicle-miles traveled per day (≈279 million per year). Trucks make up 6.3% of non-highway traffic, about 1 in 16 vehicles.

Local congestion 41% below the Ohio average

Compared to highways, non-highway routes see 41% fewer trucks by share.

Non-highway congestion (9.3%) runs 41% lower than the state average, pointing to smoother local traffic flow.

59% of counties in Ohio see lower average driver income among trip origins than Knox. 59% of counties in Ohio have an older driver population than Knox.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and PM peak 4:00 PM–6:00 PM, with volumes reaching approximately 79% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 21% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +5% versus the annual average.
Lowest month:
January is the quietest month, with volumes -12% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Knox County, Ohio, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +5% in high season.

Knox County vs. Ohio Traffic Comparison

Of the four measures, average daily traffic per road differs most: Knox County runs 43% below the Ohio average. Its truck share is also 29% below.

MetricKnox CountyOhio averageDifference
Traffic3,2995,773-42.9%
Truck % (Total Traffic)7.1%9.9%-28.6%
Truck % (Highway)10.7%14.9%-28.2%
Avg. Travel Time34.6 min32.9 min+5.4%

How Knox County compares

Knox County has the lowest truck share of its nearby counties

Set against the average of the 4 areas nearest to it, Knox County moves 37.3% of the total daily travel and runs 5.2 percentage points less truck traffic; it has the third busiest roads of the five.

Knox 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
Knox County3,2997.1%938,42434.6 min9.9%
Morrow County, Ohio3,26916.7%1,578,59335.2 min10.2%
Licking County, Ohio5,47911.0%4,762,14932.3 min14.9%
Richland County, Ohio4,49613.4%2,958,17936.4 min12.1%
Holmes County, Ohio2,3537.8%765,39736.3 min9.3%
Ohio average5,7739.9%N/A32.9 min16.5%

Knox County ranked within Ohio

Knox County sits in the bottom quarter of the Ohio field on highway travel volume, at #77 of 83.

Knox County ranked among 88 county-level areas in Ohio (1 = highest); measures without data in every county rank a smaller field, down to 83.
MeasureKnox CountyOhio rank
Traffic volume (AADT)3,299#42 of 88
Highway vehicle-miles per day173,439#77 of 83
Truck share on highways10.7%#69 of 83
Highway trucks per day956#73 of 83
Average travel time34.6 min#28 of 88
Average driver income$74,978#37 of 88
Average driver age48.7 yrs#52 of 88

Knox County ranks #28 of 88 on average travel time but #77 of 83 on highway travel volume - the two describe the same roads and are worth reading together rather than either on its own.

Busiest roads in Knox County, Ohio

The three busiest roads in Knox County average 19,627 vehicles a day, 5.9 times the county average of 3,299 across all its monitored roads.

Main Street leads with 32,886 vehicles a day, 2,126 of them trucks (6.5%). That is 2.5 times the next road, Gay Street (13,276). It tops the truck ranking too, with the most trucks.

Freight stands out on SR 13: trucks are 13.0% of the traffic there, against 7.1% county-wide.

Drivers on Mulberry Street come from neighborhoods with an average household income of $54,700, 27% below the county average of $74,978.

Trips using Gay Street are long: a median of 45.3 minutes against 34.6 county-wide, the mark of a through route.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Main StreetTrunk road · 32,886vehicles2,126trucks · 6.5%
Road class
Trunk road
Congestion ratio
40.9%
Median trip time
37.8 min
Drivers’ median age
47.9 yrs
Drivers’ average income
$61,217

Travel on Main Street's busiest stretch runs 41% over free-flow time, against 10% across the county, so expect slower peak hours.

2Gay StreetTrunk road · 13,276vehicles922trucks · 6.9%
Road class
Trunk road
Congestion ratio
31.9%
Median trip time
45.3 min
Drivers’ median age
47.2 yrs
Drivers’ average income
$55,783

At 4.0 times the county average, Gay Street draws drivers from neighborhoods averaging $55,783 in household income.

3Mulberry StreetTrunk road · 12,721vehicles917trucks · 7.2%
Road class
Trunk road
Congestion ratio
32.0%
Median trip time
36.1 min
Drivers’ median age
47.3 yrs
Drivers’ average income
$54,700

The busiest stretch of Mulberry Street carries 3.9 times the county average; trucks are 7.2% of it, in line with the county-wide 7.1%.

4Sandusky StreetTrunk road · 10,588vehicles984trucks · 9.3%
Road class
Trunk road
Congestion ratio
26.9%
Median trip time
36.4 min
Drivers’ median age
49.4 yrs
Drivers’ average income
$63,936

On its busiest stretch, Sandusky Street carries 3.2 times the county average; trucks are 9.3% of it, above the county-wide 7.1%.

5Chestnut StreetTrunk road · 9,667vehicles626trucks · 6.5%
Road class
Trunk road
Congestion ratio
34.2%
Median trip time
36.6 min
Drivers’ median age
48.9 yrs
Drivers’ average income
$64,415

Chestnut Street is one of the more congested roads here: trips take 34% longer than at free-flow speed, against 10% county-wide.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Main StreetTrunk road · #1 by traffic32,886vehicles2,126trucks · 6.5%
2SR 13Trunk road · 8,018vehicles1,045trucks · 13.0%
Road class
Trunk road
Congestion ratio
9.8%
Median trip time
43.1 min
Drivers’ median age
50.1 yrs
Drivers’ average income
$73,098

SR 13 peaks at 8,018 vehicles a day, 2.4 times the county average; trucks are 13.0% of it, above the county-wide 7.1%.

3Cassell RoadTrunk road · 9,134vehicles1,011trucks · 11.1%
Road class
Trunk road
Congestion ratio
21.0%
Median trip time
39.1 min
Drivers’ median age
50.0 yrs
Drivers’ average income
$72,567

Cassell Road carries 2.8 times the county average at its busiest, 1,011 of them trucks (11.1%, above the county-wide 7.1%).

4Sandusky StreetTrunk road · #4 by traffic10,588vehicles984trucks · 9.3%
5Gay StreetTrunk road · #2 by traffic13,276vehicles922trucks · 6.9%
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

KnoxDepartment 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 Knox County

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

Need segment-level traffic data?

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