
Total Traffic Volume & Performance in Traill County, North Dakota
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day976 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 12.2% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 28.5 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. | 6.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 43.4 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $91,982 |
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The average monitored road in Traill County, North Dakota carries 976 vehicles per day. Across its 274 miles of monitored roads, that adds up to 335,355 vehicle-miles traveled per day (≈122 million per year). About 1 in 8 vehicles is a truck, in line with North Dakota (11.1%).
The shortest trips of any county in North Dakota
Traill sees 55% lower average daily traffic volume than the state average (976 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. Across the whole network, that travel is about 1.9% of North Dakota's statewide total. Traill carries more traffic than 58% of counties in North Dakota.
At 28.5 minutes, the average travel time is 23% lower than the state level. At 28.5 minutes, Traill also has the lowest average travel time in North Dakota.
The congestion ratio of 6.2% is 42% lower, pointing to smoother traffic flow than the state level - travel times are easy to plan around for scheduled deliveries.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Traill County, North Dakota
| Traffic | vehicles per day3,045 |
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| Trucks | 14.7% |
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| Average travel time | 54.0 min |
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| Congestion ratio | 7.1% |
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| Drivers’ average age | 39.5 yrs |
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| Drivers’ average income | $93,319 |
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Highways carry more than half of all travel in Traill County, North Dakota (62% of vehicle-miles). The average highway carries 3,045 vehicles per day, 235% more than the average non-highway road in the same area, which carries 908 vehicles per day.
With 23% of the road miles (63 miles in 50 segments), highways punch above their length, carrying 207,384 vehicle-miles traveled per day (≈75.7 million per year).
By highway travel volume, Traill outranks 68% of counties in North Dakota.
More highway trucks than 85% of counties in North Dakota
Highway truck concentration here (14.7%) closely tracks the state average for similar road classifications. The highway traffic mix is typical for North Dakota: neither freight- nor commuter-dominated.
53% of counties in North Dakota see a higher highway truck share than Traill's 14.7%. Traill's highway truck count is higher than 85% of counties in North Dakota, at roughly 447 trucks per day.

Non-highway Traffic in Traill County, North Dakota
| Traffic | vehicles per day908 |
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| Trucks | 8.1% |
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| Average travel time | 27.7 min |
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| Congestion ratio | 6.2% |
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| Drivers’ average age | 49.7 yrs |
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| Drivers’ average income | $89,156 |
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A significant share of driving in Traill County, North Dakota, 38% of vehicle-miles, happens on local roads. On the average non-highway road, that comes to 908 vehicles per day.
Local roads make up 77% of the monitored road miles (211 miles in 1,540 segments) but carry less than their share of travel: 127,970 vehicle-miles traveled per day (≈46.7 million per year). The truck share on non-highway roads is 8.1%.
Drivers from higher-income areas than 90% of counties in North Dakota
The concentration of trucks on non-highway roads is 45% lower than on highways.
The non-highway congestion ratio of 6.2% is 43% lower than the state level, suggesting more efficient local mobility than the state average.
Traill's average driver income is higher than 90% of counties in North Dakota. 81% of counties in North Dakota have an older driver population than Traill.