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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day3,371 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 12.4% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 36.9 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 11.3% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 48.4 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $62,792 |
A typical monitored road in Miami County, Indiana sees 3,371 vehicles per day, while its 251 miles of monitored roads together handle 936,138 vehicle-miles traveled per day (≈342 million per year). About 1 in 8 vehicles is a truck, in line with Indiana (12.1%).
Miami's average daily traffic volume is 41% lower than the state average - 3,371 vehicles per day against 5,704 - suggesting less traffic load per road - less drive-by exposure for retail, but easier access for deliveries. In total volume terms, its road network carries about 0.6% of Indiana's statewide total of vehicle-miles. Miami carries less traffic than 58% of counties in Indiana.
Journey times run 10% higher than the state level, at 36.9 minutes on average. 86% of counties in Indiana have a shorter average travel time than Miami's 36.9 minutes.
Congestion runs 27% lower than the state level, at a ratio of 11.3%, which means smoother traffic flow - fewer delays make delivery windows more reliable.
| Traffic | vehicles per day8,315 |
|---|---|
| Trucks | 14.7% |
| Average travel time | 59.1 min |
| Congestion ratio | 18.2% |
| Drivers’ average age | 48.6 yrs |
| Drivers’ average income | $63,248 |
Most travel in Miami County, Indiana happens on highways, 74% of all vehicle-miles. The average highway carries 8,315 vehicles per day, 196% more than the average non-highway road in the same area, which carries 2,805 vehicles per day.
With 35% of the road miles (88 miles in 270 segments), highways punch above their length, carrying 689,231 vehicle-miles traveled per day (≈252 million per year).
That is more highway travel volume than 56% of counties in Indiana.
The concentration of trucks on highways (14.7%) is 25% lower than the state average for similar road classifications. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
79% of counties in Indiana see a higher highway truck share than Miami's 14.7%. 76% of counties in Indiana see more highway trucks per day than Miami's roughly 1,218.
| Traffic | vehicles per day2,805 |
|---|---|
| Trucks | 6.1% |
| Average travel time | 34.4 min |
| Congestion ratio | 10.5% |
| Drivers’ average age | 48.0 yrs |
| Drivers’ average income | $62,273 |
Local roads carry a smaller share of travel in Miami County, Indiana, 26% of vehicle-miles; most driving happens on highways. On the average non-highway road, that comes to 2,805 vehicles per day.
Local roads make up 65% of the monitored road miles (163 miles in 2,359 segments) but carry less than their share of travel: 246,907 vehicle-miles traveled per day (≈90.1 million per year). The truck share on non-highway roads is 6.1%.
Non-highway roads carry a truck concentration that's 59% lower than the highway network.
The non-highway congestion ratio of 10.5% is 31% lower than the state level, suggesting more efficient local mobility than the state average.
92% of counties in Indiana see higher average driver income among trip origins than Miami. Miami's median driver age is higher than 58% of counties in Indiana.
Of the four measures, average daily traffic per road differs most: Miami County runs 41% below the Indiana average. Its highway truck share is also 25% below.
| Metric | Miami County | Indiana average | Difference |
|---|---|---|---|
| Traffic | 3,371 | 5,704 | -40.9% |
| Truck % (Total Traffic) | 12.4% | 12.1% | +2.3% |
| Truck % (Highway) | 14.7% | 19.6% | -25.2% |
| Avg. Travel Time | 36.9 min | 33.5 min | +10.1% |
Miami 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.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Miami County | 3,371 | 12.4% | 936,138 | 36.9 min | 11.3% |
| Wabash County, Indiana | 3,319 | 10.2% | 625,505 | 33.2 min | 11.6% |
| Cass County, Indiana | 3,956 | 10.5% | 689,296 | 37.5 min | 12.8% |
| Fulton County, Indiana | 2,844 | 12.6% | 492,197 | 32.2 min | 8.5% |
| Howard County, Indiana | 5,620 | 8.0% | 1,337,226 | 34.6 min | 16.1% |
| Indiana average | 5,704 | 12.1% | N/A | 33.5 min | 15.6% |
Average driver income places Miami County #85 of 92 in Indiana - the bottom quarter of the state.
| Measure | Miami County | Indiana rank |
|---|---|---|
| Traffic volume (AADT) | 3,371 | #54 of 92 |
| Highway vehicle-miles per day | 689,231 | #35 of 79 |
| Truck share on highways | 14.7% | #63 of 79 |
| Highway trucks per day | 1,218 | #60 of 79 |
| Average travel time | 36.9 min | #14 of 92 |
| Average driver income | $62,792 | #85 of 92 |
| Average driver age | 48.4 yrs | #39 of 92 |
Miami County ranks #14 of 92 on average travel time but #85 of 92 on average driver income - the two describe the same roads and are worth reading together rather than either on its own.
The three busiest roads in Miami County average 13,613 vehicles a day, 4.0 times the county average of 3,371 across all its monitored roads.
US 31 leads with 24,343 vehicles a day, 2,838 of them trucks (11.7%). That is 2.9 times the next road, North Broadway (8,403). It tops the truck ranking too, with the most trucks.
US 31 carries longer journeys than most roads here, with a median trip of 54.4 minutes against 36.9 county-wide.
North Broadway is busy with cars rather than freight: only 4.8% of its traffic is trucks, against 12.4% county-wide.
Delays build on US 31: its congestion ratio of 27% over free-flow time is well above the county's 11%.
Travel on North Broadway's busiest stretch runs 21% over free-flow time, against 11% across the county, so expect slower peak hours.
Drivers on US 24 are on long journeys, a median 50.5 minutes against 36.9 county-wide: a through route more than a local street.
At 2.3 times the county average, Main Street draws drivers from neighborhoods averaging $55,135 in household income.
The busiest stretch of Business US-31 carries 2.0 times the county average; trucks are 4.1% of it, below the county-wide 12.4%.
Wabash Road carries through traffic: the median trip using it lasts 52.5 minutes, against 36.9 for the county.
The average monitored road in Miami carries 3,371 vehicles per day, 41% less than the Indiana average of 5,704.
Miami's average travel time of 36.9 minutes is longer than 86% of counties in Indiana.
Trucks make up about 12.4% of all traffic in Miami County, Indiana, rising to 14.7% on highways, where long-haul freight concentrates.
Weekday traffic has two busy windows: AM peak 10:00 AM–12:00 PM and PM peak 4:00 PM–6:00 PM - about 73% above the daily average.
Drivers on Miami roads have a median age of 48 years, older than the Indiana average of 46, and the median household income of the neighborhoods trips originate from averages $62,792, 23% below the Indiana average.
US 31 carries the most, 24,343 vehicles per day on its busiest stretch, followed by North Broadway (8,403), US 24 (8,093), Main Street (7,626), Business US-31 (6,639). Figures are AADT, both directions combined.
US 31, with about 2,838 trucks per day on its busiest stretch, 11.7% of its 24,343 vehicles.
About 24,343 vehicles per day in both directions on its busiest stretch, including 2,838 trucks (11.7%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases
The same traffic breakdown for the areas closest to Miami County, Indiana.
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