
Total Traffic Volume & Performance in Hunterdon County, New Jersey
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,230 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 11.0% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 35.4 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. | 14.0% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 50.6 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $147,803 |
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A typical monitored road in Hunterdon County, New Jersey sees 5,230 vehicles per day, while its 473 miles of monitored roads together handle 3,591,634 vehicle-miles traveled per day (≈1.3 billion per year). At 11.0%, the truck share runs above the 7.9% across New Jersey: about 1 in 9 vehicles.
Longer trips than 95% of counties in New Jersey
Hunterdon's average daily traffic volume is 41% lower than the state average - 5,230 vehicles per day against 8,886 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Hunterdon accounts for about 2.3% of New Jersey's statewide total of vehicle-miles. Hunterdon carries less traffic than 85% of counties in New Jersey.
The average trip takes 35.4 minutes, 6% higher than the state level. Its average travel time of 35.4 minutes is longer than 95% of counties in New Jersey.
At 48% lower than the state level, the 14.0% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Hunterdon County, New Jersey
| Traffic | vehicles per day16,392 |
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| Trucks | 14.1% |
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| Average travel time | 45.1 min |
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| Congestion ratio | 43.4% |
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| Drivers’ average age | 50.5 yrs |
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| Drivers’ average income | $141,819 |
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A little more than half of the driving in Hunterdon County, New Jersey happens on highways: 67% of all vehicle-miles. The average highway carries 16,392 vehicles per day, 341% more than the average non-highway road in the same area, which carries 3,713 vehicles per day.
Highways make up 26% of the monitored road miles (121 miles, 1,461 segments), so they carry more than their share: 2,401,681 vehicle-miles traveled per day (≈877 million per year).
Higher highway truck share than 80% of counties in New Jersey
The concentration of trucks on highways (14.1%) is 38% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.
By truck concentration, highways here outrank 80% of counties in New Jersey. 70% of counties in New Jersey see fewer highway trucks per day than Hunterdon's roughly 2,311.

Non-highway Traffic in Hunterdon County, New Jersey
| Traffic | vehicles per day3,713 |
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| Trucks | 4.7% |
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| Average travel time | 34.1 min |
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| Congestion ratio | 10.1% |
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| Drivers’ average age | 51.3 yrs |
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| Drivers’ average income | $155,976 |
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A significant share of driving in Hunterdon County, New Jersey, 33% of vehicle-miles, happens on local roads. On the average non-highway road, that comes to 3,713 vehicles per day.
Spread over 352 miles and 10,753 segments, 74% of the road network, local roads carry a lighter load per mile: 1,189,953 vehicle-miles traveled per day (≈434 million per year). About 1 in 21 vehicles on non-highway roads is a truck (4.7%).
Drivers from higher-income areas than 90% of counties in New Jersey
Non-highway roads carry a truck concentration that's 66% lower than the highway network.
The non-highway congestion ratio of 10.1% is 59% lower than the state level, suggesting more efficient local mobility than the state average.
Hunterdon's average driver income is higher than 90% of counties in New Jersey. Hunterdon's median driver age is higher than 90% of counties in New Jersey.