
Total Traffic Volume & Performance in Guilford County, North Carolina
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day7,231 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 8.9% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 31.8 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. | 18.3% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 44.7 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $79,867 |
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A typical monitored road in Guilford County, North Carolina sees 7,231 vehicles per day, while its 1,395 miles of monitored roads together handle 14,395,706 vehicle-miles traveled per day (≈5.3 billion per year). About 1 in 11 vehicles is a truck, in line with North Carolina (8.7%).
Busier roads than 83% of counties in North Carolina
Guilford's average daily traffic volume is 14% higher than the state average - 7,231 vehicles per day against 6,332 - a critical factor for logistics and site planning. Across the whole network, that travel is about 5.3% of North Carolina's statewide total. By volume, Guilford's 7,231 vehicles per day outpaces 83% of counties in North Carolina.
At 31.8 minutes, the average travel time matches the state level closely. Its average travel time of 31.8 minutes is shorter than 56% of counties in North Carolina.
The congestion ratio of 18.3% is in line with the state level.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Guilford County, North Carolina
| Traffic | vehicles per day22,101 |
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| Trucks | 11.9% |
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| Average travel time | 38.6 min |
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| Congestion ratio | 37.1% |
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| Drivers’ average age | 45.3 yrs |
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| Drivers’ average income | $77,347 |
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Highways carry more than half of all travel in Guilford County, North Carolina (61% of vehicle-miles). The average highway carries 22,101 vehicles per day, 246% more than the average non-highway road in the same area, which carries 6,385 vehicles per day.
Highways make up 29% of the monitored road miles (399 miles, 2,161 segments), so they carry more than their share: 8,827,410 vehicle-miles traveled per day (≈3.2 billion per year).
By highway travel volume, that ranks Guilford in the top 3 counties in North Carolina.
More highway trucks than 84% of counties in North Carolina
The concentration of trucks on highways (11.9%) is in line with the state average for similar road classifications. The highway traffic mix is typical for North Carolina: neither freight- nor commuter-dominated.
52% of counties in North Carolina see a higher highway truck share than Guilford's 11.9%. 84% of counties in North Carolina see fewer highway trucks per day than Guilford's roughly 2,626.

Non-highway Traffic in Guilford County, North Carolina
| Traffic | vehicles per day6,385 |
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| Trucks | 4.2% |
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| Average travel time | 31.4 min |
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| Congestion ratio | 17.2% |
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| Drivers’ average age | 44.1 yrs |
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| Drivers’ average income | $82,640 |
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A significant share of driving in Guilford County, North Carolina, 39% of vehicle-miles, happens on local roads. On the average non-highway road, that comes to 6,385 vehicles per day.
Local roads make up 71% of the monitored road miles (996 miles in 38,018 segments) but carry less than their share of travel: 5,568,296 vehicle-miles traveled per day (≈2.0 billion per year). About 1 in 24 vehicles on non-highway roads is a truck (4.2%).
Younger drivers than 86% of counties in North Carolina
The concentration of trucks on non-highway roads is 64% lower than on highways.
The non-highway congestion ratio of 17.2% is in line with the state level.
Trip origins here have higher average income than 85% of counties in North Carolina. Guilford's median driver age is lower than 86% of counties in North Carolina.