
Total Traffic Volume & Performance in Williams County, North Dakota
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,719 |
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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. | 41.2 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. | 9.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 40.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $88,059 |
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The average monitored road in Williams County, North Dakota carries 2,719 vehicles per day. Across its 632 miles of monitored roads, that adds up to 985,414 vehicle-miles traveled per day (≈360 million per year). About 1 in 9 vehicles is a truck, in line with North Dakota (11.1%).
Busier roads than 90% of counties in North Dakota
At 2,719 vehicles per day, the average monitored road in Williams carries 25% more traffic than the state average of 2,174, suggesting more demand on each road - a busier backdrop for retail sites, at the cost of slower access. Across the whole network, that travel is about 5.6% of North Dakota's statewide total. 90% of counties in North Dakota see less traffic than Williams's 2,719 vehicles per day.
At 41.2 minutes, the average travel time is 11% higher than the state level. Its average travel time of 41.2 minutes is longer than 56% of counties in North Dakota.
Congestion is somewhat lower than the state level, at a ratio of 9.2% (13% lower) - relevant for traffic control and delivery planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Williams County, North Dakota
| Traffic | vehicles per day3,224 |
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| Trucks | 12.7% |
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| Average travel time | 42.5 min |
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| Congestion ratio | 8.5% |
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| Drivers’ average age | 40.2 yrs |
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| Drivers’ average income | $86,305 |
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Highways carry about half of all travel in Williams County, North Dakota, 47% of vehicle-miles. The average highway carries 3,224 vehicles per day, 23% more than the average non-highway road in the same area, which carries 2,631 vehicles per day.
With 28% of the road miles (175 miles in 681 segments), highways punch above their length, carrying 464,328 vehicle-miles traveled per day (≈169 million per year).
By highway travel volume, Williams outranks 85% of counties in North Dakota.
Lower highway truck share than 79% of counties in North Dakota
Highway truck concentration here runs 13% lower than the state average, at 12.7%. The highway traffic mix is typical for North Dakota: neither freight- nor commuter-dominated.
By truck concentration, highways here trail 79% of counties in North Dakota. 68% of counties in North Dakota see fewer highway trucks per day than Williams's roughly 408.

Non-highway Traffic in Williams County, North Dakota
| Traffic | vehicles per day2,631 |
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| Trucks | 9.0% |
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| Average travel time | 41.0 min |
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| Congestion ratio | 9.4% |
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| Drivers’ average age | 39.9 yrs |
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| Drivers’ average income | $89,818 |
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Local roads carry about half of all travel in Williams County, North Dakota, 53% of vehicle-miles. On the average non-highway road, that comes to 2,631 vehicles per day.
Local roads make up 72% of the monitored road miles (457 miles in 3,903 segments) but carry less than their share of travel: 521,085 vehicle-miles traveled per day (≈190 million per year). Trucks make up 9.0% of non-highway traffic, about 1 in 11 vehicles.
Younger drivers than 94% of counties in North Dakota
Non-highway roads carry a truck concentration that's 29% lower than the highway network.
Non-highway congestion (9.4%) runs slightly lower than the state level (14% lower).
79% of counties in North Dakota see lower average driver income among trip origins than Williams. Williams's median driver age is lower than 94% of counties in North Dakota.