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Traffic heat map of Miami County, Kansas: 395 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 35 and Amity Street

Miami County, Kansas Traffic Counts

Traffic analytics for Miami County, Kansas, calculated from real-world mobile and sensor networks on 5,759 road segments (395 road miles, about 362 ft each). Its drivers come from neighborhoods among the top 5 counties in Kansas for household income. 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 icon

Total Traffic Volume & Performance in Miami County, Kansas

Traffic

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

vehicles per day2,702
Trucks

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

10.2%
Average travel time

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

30.6 min
Drivers’ average age

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

49.5 yrs
Drivers’ average income

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

$95,044

Our data shows 2,702 vehicles per day on the average road in Miami County, Kansas, and 1,280,383 vehicle-miles traveled per day (≈467 million per year) across its 395 miles of monitored roads. Trucks are 10.2% of traffic, close to the 10.2% across Kansas.

Shorter trips than 88% of counties in Kansas

At 2,702 vehicles per day, the average monitored road in Miami carries 36% less traffic than the state average of 4,243, suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. Network-wide, Miami accounts for about 1.7% of Kansas's statewide total of vehicle-miles. By volume, Miami's 2,702 vehicles per day outpaces 72% of counties in Kansas.

At 30.6 minutes, the average travel time matches the state level closely. On travel time, Miami runs shorter than 88% of counties in Kansas.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Miami County, Kansas

Trafficvehicles per day5,896
Trucks13.5%
Average travel time38.0 min
Drivers’ average age48.3 yrs
Drivers’ average income$91,643

Highways carry about half of all travel in Miami County, Kansas, 53% of vehicle-miles. The average highway carries 5,896 vehicles per day, 136% more than the average non-highway road in the same area, which carries 2,494 vehicles per day.

With 28% of the road miles (109 miles in 353 segments), highways punch above their length, carrying 677,624 vehicle-miles traveled per day (≈247 million per year).

By highway travel volume, Miami outranks 86% of counties in Kansas.

Lower highway truck share than 69% of counties in Kansas

At 13.5%, highway truck share is 7% lower than the state average. The highway traffic mix is typical for Kansas: neither freight- nor commuter-dominated.

Miami's highway truck share (13.5%) is lower than 69% of counties in Kansas. By raw truck volume, Miami carries more highway trucks than 62% of counties in Kansas.

non-highway traffic icon

Non-highway Traffic in Miami County, Kansas

Trafficvehicles per day2,494
Trucks6.6%
Average travel time30.1 min
Drivers’ average age50.4 yrs
Drivers’ average income$98,375

Local roads carry about half of all travel in Miami County, Kansas, 47% of vehicle-miles. The average non-highway road carries 2,494 vehicles per day.

Spread over 286 miles and 5,406 segments, 72% of the road network, local roads carry a lighter load per mile: 602,759 vehicle-miles traveled per day (≈220 million per year). The truck share on non-highway roads is 6.6%.

Drivers from higher-income areas than 97% of counties in Kansas

Compared to highways, non-highway routes see 51% fewer trucks by share.

97% of counties in Kansas see lower average driver income among trip origins than Miami. Miami's median driver age is higher than 50% of counties in Kansas.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and a long afternoon plateau from 3:00 PM to 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:
May–July is the high season, with volumes +8% versus the annual average.
Lowest month:
January is the quietest month, with volumes -22% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

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

Miami County vs. Kansas Traffic Comparison

Of the four measures, average daily traffic per road differs most: Miami County runs 36% below the Kansas average.

MetricMiami CountyKansas averageDifference
Traffic2,7024,243-36.3%
Truck % (Total Traffic)10.2%10.2%+0.3%
Truck % (Highway)13.5%14.4%-6.6%
Avg. Travel Time30.6 min31.8 min-3.8%

How Miami County compares

Miami County has the quietest roads among its nearby counties

Compared with its 4 closest neighbours, Miami County carries 51.2% less traffic on a typical road and moves 28.9% of the total daily travel; it has the quietest roads of the five. Smaller and quieter on both counts: a shorter network than the areas around it, carrying lighter traffic across it.

Miami County and the 4 nearest county-level areas by centroid distance, with the Kansas average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Miami County2,70210.2%1,280,38330.6 minN/A
Johnson County, Kansas6,0106.1%10,519,96629.0 min18.6%
Franklin County, Kansas3,16813.1%1,212,80730.8 min7.8%
Cass County, Missouri6,9159.4%3,551,79832.0 min25.3%
Douglas County, Kansas6,0369.0%2,416,55531.9 min13.7%
Kansas average4,24310.2%N/A31.8 min17.1%

Miami County ranked within Kansas

Average driver income places Miami County #4 of 105 in Kansas - the top quarter of the state.

Miami County ranked among 105 county-level areas in Kansas (1 = highest); measures without data in every county rank a smaller field, down to 82.
MeasureMiami CountyKansas rank
Traffic volume (AADT)2,702#30 of 105
Highway vehicle-miles per day677,624#12 of 82
Truck share on highways13.5%#57 of 82
Highway trucks per day794#32 of 82
Average travel time30.6 min#93 of 105
Average driver income$95,044#4 of 105
Average driver age49.5 yrs#53 of 105

The two ends of this table sit far apart: #4 of 105 on average driver income, against #93 of 105 on average travel time.

Busiest roads in Miami County, Kansas

Traffic concentrates on a few corridors: the three busiest roads average 14,775 vehicles a day, against 2,702 on the average road in Miami County.

I 35 leads with 19,607 vehicles a day, 3,334 of them trucks (17.0%). That is 55% more than the next road, Amity Street (12,662). It also carries the most trucks.

Trucks make up 17.0% of traffic on I 35, against 10.2% across all roads in the county.

Few trucks use Amity Street: 3.9% of its traffic, under half the county's 10.2%.

I 35 carries longer journeys than most roads here, with a median trip of 41.7 minutes against 30.6 county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 35Motorway · 19,607vehicles3,334trucks · 17.0%
Road class
Motorway
Median trip time
41.7 min
Drivers’ median age
45.7 yrs
Drivers’ average income
$81,130

A main artery: I 35's busiest stretch carries 7.3 times the county average; trucks are 17.0% of it, above the county-wide 10.2%.

2Amity StreetSecondary road · 12,662vehicles490trucks · 3.9%
Road class
Secondary road
Median trip time
26.8 min
Drivers’ median age
51.8 yrs
Drivers’ average income
$105,269

The busiest stretch of Amity Street carries 4.7 times the county average; trucks are 3.9% of it, below the county-wide 10.2%.

3US 169Motorway · 12,055vehicles1,464trucks · 12.1%
Road class
Motorway
Median trip time
34.3 min
Drivers’ median age
47.8 yrs
Drivers’ average income
$90,847

On its busiest stretch, US 169 carries 4.5 times the county average; trucks are 12.1% of it, above the county-wide 10.2%.

4US 69Motorway · 11,955vehicles1,647trucks · 13.8%
Road class
Motorway
Median trip time
41.0 min
Drivers’ median age
49.3 yrs
Drivers’ average income
$96,463

Drivers on US 69 are on long journeys, a median 41.0 minutes against 30.6 county-wide: a through route more than a local street.

5Main StreetSecondary road · 10,606vehicles1,104trucks · 10.4%
Road class
Secondary road
Median trip time
31.1 min
Drivers’ median age
51.2 yrs
Drivers’ average income
$79,145

Main Street peaks at 10,606 vehicles a day, 3.9 times the county average; trucks are 10.4% of it, in line with the county-wide 10.2%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 35Motorway · #1 by traffic19,607vehicles3,334trucks · 17.0%
2US 69Motorway · #4 by traffic11,955vehicles1,647trucks · 13.8%
3US 169Motorway · #3 by traffic12,055vehicles1,464trucks · 12.1%
4Main StreetSecondary road · #5 by traffic10,606vehicles1,104trucks · 10.4%
5Silver StreetSecondary road · 7,740vehicles996trucks · 12.9%
Road class
Secondary road
Median trip time
33.4 min
Drivers’ median age
50.5 yrs
Drivers’ average income
$87,726

Silver Street carries 2.9 times the county average at its busiest, 996 of them trucks (12.9%, above the county-wide 10.2%).

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

MiamiDepartment 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

Explore further

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Counties near Miami County

The same traffic breakdown for the areas closest to Miami County, Kansas.

Need segment-level traffic data?

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