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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day1,376 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 13.9% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 40.8 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 4.7% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 47.8 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $62,941 |
Our data shows 1,376 vehicles per day on the average road in Harper County, Oklahoma, and 184,790 vehicle-miles traveled per day (≈67.4 million per year) across its 167 miles of monitored roads. Trucks are 13.9% of traffic, more than the 11.2% across Oklahoma.
Harper's average daily traffic volume is 75% lower than the state average - 1,376 vehicles per day against 5,504 - suggesting less traffic load per road - very light roads: easy truck access, but little passing trade for roadside retail. In total volume terms, its road network carries about 0.2% of Oklahoma's statewide total of vehicle-miles. By volume, Harper's 1,376 vehicles per day trails 91% of counties in Oklahoma.
Journey times run 25% higher than the state level, at 40.8 minutes on average. 87% of counties in Oklahoma have a shorter average travel time than Harper's 40.8 minutes.
At 62% lower than the state level, the 4.7% congestion ratio signals smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.
| Traffic | vehicles per day2,580 |
|---|---|
| Trucks | 17.7% |
| Average travel time | 57.2 min |
| Congestion ratio | 5.2% |
| Drivers’ average age | 46.0 yrs |
| Drivers’ average income | $62,206 |
A significant share of driving in Harper County, Oklahoma, 31% of vehicle-miles, happens on highways. The average highway carries 2,580 vehicles per day, 122% more than the average non-highway road in the same area, which carries 1,161 vehicles per day.
Highways make up 13% of the monitored road miles (22 miles, 156 segments), so they carry more than their share: 57,567 vehicle-miles traveled per day (≈21.0 million per year).
The concentration of trucks on highways (17.7%) is 11% higher than the state average for similar road classifications. The highway traffic mix is typical for Oklahoma: neither freight- nor commuter-dominated.
Harper's highway truck share (17.7%) is higher than 58% of counties in Oklahoma. 80% of counties in Oklahoma see more highway trucks per day than Harper's roughly 457.
| Traffic | vehicles per day1,161 |
|---|---|
| Trucks | 12.1% |
| Average travel time | 37.9 min |
| Congestion ratio | 4.6% |
| Drivers’ average age | 48.7 yrs |
| Drivers’ average income | $63,123 |
Local roads carry more than half of all travel in Harper County, Oklahoma (69% of vehicle-miles). On the average non-highway road, that comes to 1,161 vehicles per day.
Spread over 145 miles and 875 segments, 87% of the road network, local roads carry a lighter load per mile: 127,223 vehicle-miles traveled per day (≈46.4 million per year). About 1 in 8 vehicles on non-highway roads is a truck (12.1%).
Compared to highways, non-highway routes see 32% fewer trucks by share.
Non-highway congestion (4.6%) runs 61% lower than the state average, pointing to smoother local traffic flow.
Trip origins here have lower average income than 54% of counties in Oklahoma. Harper's median driver age is higher than 67% of counties in Oklahoma.
Of the four measures, average daily traffic per road differs most: Harper County runs 75% below the Oklahoma average. Its average travel time, by contrast, is 25% above.
| Metric | Harper County | Oklahoma average | Difference |
|---|---|---|---|
| Traffic | 1,376 | 5,504 | -75.0% |
| Truck % (Total Traffic) | 13.9% | 11.2% | +23.4% |
| Truck % (Highway) | 17.7% | 16.0% | +10.8% |
| Avg. Travel Time | 40.8 min | 32.7 min | +24.9% |
Harper 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 second busiest roads of the five. Quiet roads and long journeys - a rural pattern, where the distance between destinations rather than the traffic on the way is what takes the time.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Harper County | 1,376 | 13.9% | 184,790 | 40.8 min | 4.7% |
| Ellis County, Oklahoma | 1,113 | 13.2% | 157,658 | 37.3 min | 4.6% |
| Woodward County, Oklahoma | 3,555 | 10.4% | 537,031 | 30.2 min | 9.5% |
| Clark County, Kansas | 1,298 | 18.2% | 130,634 | 42.4 min | N/A |
| Comanche County, Kansas | 950 | 11.9% | 49,529 | 31.4 min | N/A |
| Oklahoma average | 5,504 | 11.2% | N/A | 32.7 min | 12.3% |
Highway travel volume places Harper County #62 of 65 in Oklahoma - the bottom quarter of the state.
| Measure | Harper County | Oklahoma rank |
|---|---|---|
| Traffic volume (AADT) | 1,376 | #70 of 77 |
| Highway vehicle-miles per day | 57,567 | #62 of 65 |
| Truck share on highways | 17.7% | #28 of 65 |
| Highway trucks per day | 457 | #52 of 65 |
| Average travel time | 40.8 min | #11 of 77 |
| Average driver income | $62,941 | #42 of 77 |
| Average driver age | 47.8 yrs | #26 of 77 |
The two ends of this table sit far apart: #11 of 77 on average travel time, against #62 of 65 on highway travel volume.
Traffic concentrates on a few corridors: the three busiest roads average 3,340 vehicles a day, against 1,376 on the average road in Harper County.
Hoy Street leads with 3,467 vehicles a day, 296 of them trucks (8.5%). Broadway Avenue is practically level with it at 3,412. Race Street carries the most trucks, 576 a day (21.2% of its traffic), although it ranks #4 for all traffic.
Trips using Race Street are long: a median of 56.2 minutes against 40.8 county-wide, the mark of a through route.
Freight stands out on Race Street: trucks are 21.2% of the traffic there, against 13.9% county-wide.
Hoy Street carries 2.5 times the county average at its busiest, 296 of them trucks (8.5%, below the county-wide 13.9%).
Trips on Broadway Avenue are short, a median 28.4 minutes against 40.8 county-wide, so it mostly serves local errands and commutes.
US 270 carries through traffic: the median trip using it lasts 54.4 minutes, against 40.8 for the county.
Race Street carries 2.0 times the county average on its busiest stretch, where the median trip lasts 56.2 minutes.
US 64 is busy by local standards, at 67% more than the county average on its busiest stretch; trucks are 9.7% of it, below the county-wide 13.9%.
The average monitored road in Harper carries 1,376 vehicles per day, 75% less than the Oklahoma average of 5,504.
The driver population in Harper skews older than 67% of counties in Oklahoma.
Drivers on Harper roads have a median age of 48 years, older than the Oklahoma average of 44, and the median household income of the neighborhoods trips originate from averages $62,941, 14% below the Oklahoma average.
Approximately 37% of highway traffic and 10% of non-highway traffic consists of vehicles whose trip originates outside Harper County, Oklahoma. A sizeable share of highway traffic comes from outside, mixed with local trips on the same roads.
Weekday traffic has two busy windows: a long morning plateau from 7:00 AM to 12:00 PM and a long afternoon plateau from 3:00 PM to 7:00 PM - about 55% above the daily average.
Hoy Street carries the most, 3,467 vehicles per day on its busiest stretch, followed by Broadway Avenue (3,412), US 270 (3,142), Race Street (2,720), US 64 (2,299). Figures are AADT, both directions combined.
Race Street, with about 576 trucks per day on its busiest stretch, 21.2% of its 2,720 vehicles.
About 3,467 vehicles per day in both directions on its busiest stretch, including 296 trucks (8.5%). 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 Harper County, Oklahoma.
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