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Harper County, Oklahoma Traffic Counts

This page delivers traffic analytics for Harper County, Oklahoma. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Harper County, Oklahoma among 167 road miles divided in 1,031 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 854 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
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total traffic icon

Total Traffic Volume & Performance

Traffic

1,376

Trucks

13.9%

Average travel time

40.8 min

Congestion ratio

4.7%

Drivers’ average age

47.8 yrs

Drivers’ average income

$62,941

Our data indicates an estimated average traffic volume of 1,376 vehicles per day in Harper County, Oklahoma that results in 184,790 vehicle-miles traveled per day (≈67.4 million per year). The traffic stream is comprised of an average of 1 truck for every 7 vehicles. Typical time spent behind the wheel per trip is 40.8 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the Oklahoma state averages: At 1,376 vehicles per day, the average monitored road in Harper carries 75% less traffic than the state average of 5,504 vehicles per day - a critical factor for logistics and site planning. Network-wide, Harper accounts for about 0.2% of Oklahoma's statewide total, at 184,790 vehicle-miles traveled per day (≈67.4 million per year). The average trip takes 40.8 minutes, 25% higher than the state level. The congestion ratio of 4.7% is 62% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. 9% of counties in Oklahoma see less traffic than Harper's 1,376 vehicles per day. 87% of counties in Oklahoma have a shorter average travel time than Harper's 40.8 minutes.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic

Traffic

2,580

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 volume of traffic in Harper County, Oklahoma utilizes the highway network. 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. That average covers 22 highway road miles divided in 156 segments (average segment length 734 ft), together carrying 57,567 vehicle-miles traveled per day (≈21.0 million per year). Trucks constitute 17.7% of highway traffic.

Analytical insight

At 17.7%, highway truck share is 11% higher than the state average, marking Harper as a significant freight corridor - underscoring the importance of highway access for logistics operators. By truck concentration, highways here outrank 58% of counties in Oklahoma. Harper's highway truck count is higher than 20% of counties in Oklahoma, at roughly 457 trucks per day.
non-highway traffic icon

Non-highway traffic

Traffic

1,161

Trucks

12.1%

Average travel time

37.9 min

Congestion ratio

4.6%

Drivers’ average age

48.7 yrs

Drivers’ average income

$63,123

The non-highway road network in Harper County, Oklahoma supports a substantial volume of traffic. The average non-highway road carries 1,161 vehicles per day, 55% less than the average highway in the same area, which carries 2,580 vehicles per day. That average covers 145 non-highway road miles divided in 875 segments (average segment length 875 ft), together carrying 127,223 vehicle-miles traveled per day (≈46.4 million per year). Trucks constitute 12.1% of non-highway traffic.

Analytical insight

Compared to highways, non-highway routes see 32% fewer trucks by share. At 61% lower than the state level, the non-highway congestion ratio of 4.6% signals easier movement on local roads. Overall, average travel time here is longer than 87% of counties in Oklahoma. Harper's average driver income exceeds 46% of counties in Oklahoma. The driver population here skews older than 67% of counties in Oklahoma.

Time-of-Day & Seasonal Patterns

Analytical insight

In Harper County, Oklahoma, the peak hour concentrates about 6% of the day's traffic.

Traffic Flow Profile Comparison

Metric

Harper

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%

How Harper County compares

Harper County against nearby areas

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.

Harper County and the 4 nearest county-level areas by centroid distance, with the Oklahoma average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Harper County1,37613.9%184,79040.8 min4.7%
Ellis County, Oklahoma1,11313.2%157,65837.3 min4.6%
Woodward County, Oklahoma3,55510.4%537,03130.2 min9.5%
Clark County, Kansas1,29818.2%130,63442.4 minN/A
Comanche County, Kansas95011.9%49,52931.4 minN/A
Oklahoma average5,50411.2%N/A32.7 min12.3%

Harper County ranked within Oklahoma

Harper County sits in the bottom quarter of the Oklahoma field on highway travel volume, at #62 of 65.

Where Harper County sits among Oklahoma's county-level areas on each measure. Rank 1 is the highest value in the state, whether or not that is the outcome you want; the field size differs by measure because not every county carries highway data.
MeasureHarper CountyOklahoma rank
Traffic volume (AADT)1,376#70 of 77
Highway vehicle-miles per day57,567#62 of 65
Truck share on highways17.7%#28 of 65
Highway trucks per day457#52 of 65
Average travel time40.8 min#11 of 77
Average driver income$62,941#42 of 77
Average driver age47.8 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.

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

OklahomaDepartment of Transportation

Historical traffic pattern databases

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 Harper County

The same traffic breakdown for the areas closest to Harper County, Oklahoma.

Need segment-level traffic data?

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