
Total Traffic Volume & Performance in Pierce County, North Dakota
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day762 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.7% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 42.1 min |
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Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 4.6% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 51.7 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $76,765 |
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Our data shows 762 vehicles per day on the average road in Pierce County, North Dakota, and 88,814 vehicle-miles traveled per day (≈32.4 million per year) across its 159 miles of monitored roads. Trucks are 10.7% of traffic, close to the 11.1% across North Dakota.
Traffic 65% below the North Dakota average
Pierce sees 65% lower average daily traffic volume than the state average (762 vehicles per day against 2,174), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. In total volume terms, its road network carries about 0.5% of North Dakota's statewide total of vehicle-miles. 62% of counties in North Dakota see more traffic than Pierce's 762 vehicles per day.
At 42.1 minutes, the average travel time is 14% higher than the state level. 62% of counties in North Dakota have a shorter average travel time than Pierce's 42.1 minutes.
Congestion runs 56% lower than the state level, at a ratio of 4.6%, which means smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Pierce County, North Dakota
| Traffic | vehicles per day722 |
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| Trucks | 14.2% |
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| Average travel time | 63.0 min |
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| Congestion ratio | 1.7% |
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| Drivers’ average age | 53.8 yrs |
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| Drivers’ average income | $64,201 |
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At 30% of vehicle-miles, highways carry a smaller share of the traffic in Pierce County, North Dakota than local roads. The average highway carries 722 vehicles per day, 6% less than the average non-highway road in the same area, which carries 769 vehicles per day.
Highways make up 24% of the monitored road miles (39 miles, 102 segments), so they carry more than their share: 26,625 vehicle-miles traveled per day (≈9.7 million per year).
Fewer highway trucks than 97% of counties in North Dakota
At 14.2%, the highway truck share matches the state average for similar road classifications. The highway traffic mix is typical for North Dakota: neither freight- nor commuter-dominated.
Pierce's highway truck share (14.2%) is lower than 62% of counties in North Dakota. 97% of counties in North Dakota see more highway trucks per day than Pierce's roughly 103.

Non-highway Traffic in Pierce County, North Dakota
| Traffic | vehicles per day769 |
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| Trucks | 9.2% |
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| Average travel time | 38.5 min |
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| Congestion ratio | 5.1% |
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| Drivers’ average age | 51.2 yrs |
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| Drivers’ average income | $80,194 |
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Local roads carry most of the traffic in Pierce County, North Dakota: 70% of all vehicle-miles. A typical local road sees 769 vehicles per day.
Their share of road miles is similar, 76% (121 miles in 583 segments), carrying 62,189 vehicle-miles traveled per day (≈22.7 million per year). The truck share on non-highway roads is 9.2%.
Local congestion 53% below the North Dakota average
The concentration of trucks on non-highway roads is 35% lower than on highways.
Non-highway congestion (5.1%) runs 53% lower than the state average, pointing to smoother local traffic flow.
Pierce's average driver income is lower than 56% of counties in North Dakota. 60% of counties in North Dakota have a younger driver population than Pierce.