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Traffic | vehicles per day3,675 |
|---|---|
Trucks | 8.0% |
Average travel time | 30.0 min |
Congestion ratio | 13.2% |
Drivers’ average age | 49.9 yrs |
Drivers’ average income | $89,651 |
A typical monitored road in Grafton County, New Hampshire sees 3,675 vehicles per day, while its 711 miles of monitored roads together handle 2,635,474 vehicle-miles traveled per day (≈962 million per year). Trucks are 8.0% of traffic, close to the 7.0% across New Hampshire.
Grafton sees 35% lower average daily traffic volume than the state average (3,675 vehicles per day against 5,669), suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. In total volume terms, its road network carries about 8.0% of New Hampshire's statewide total of vehicle-miles. Grafton carries less traffic than 89% of counties in New Hampshire.
The average trip takes 30.0 minutes, 8% lower than the state level. It also posts the lowest average travel time in New Hampshire, at 30.0 minutes.
At 24% lower than the state level, the 13.2% congestion ratio signals smoother traffic flow - relevant for traffic control and delivery planning.
| Traffic | vehicles per day6,993 |
|---|---|
| Trucks | 9.8% |
| Average travel time | 44.9 min |
| Congestion ratio | 16.8% |
| Drivers’ average age | 51.3 yrs |
| Drivers’ average income | $92,157 |
Highways carry a significant share of travel in Grafton County, New Hampshire: 45% of all vehicle-miles. The average highway carries 6,993 vehicles per day, 100% more than the average non-highway road in the same area, which carries 3,497 vehicles per day.
With 24% of the road miles (170 miles in 427 segments), highways punch above their length, carrying 1,184,661 vehicle-miles traveled per day (≈432 million per year).
56% of counties in New Hampshire move less traffic on their highways.
At 9.8%, highway truck share is 14% higher than the state average. The highway traffic mix is typical for New Hampshire: neither freight- nor commuter-dominated.
Grafton also posts the highest highway truck share in New Hampshire - 9.8%. Grafton's highway truck count is lower than 89% of counties in New Hampshire, at roughly 688 trucks per day.
| Traffic | vehicles per day3,497 |
|---|---|
| Trucks | 6.5% |
| Average travel time | 29.2 min |
| Congestion ratio | 13.0% |
| Drivers’ average age | 49.2 yrs |
| Drivers’ average income | $88,336 |
Local roads carry more than half of all travel in Grafton County, New Hampshire (55% of vehicle-miles). On the average non-highway road, that comes to 3,497 vehicles per day.
Spread over 542 miles and 7,979 segments, 76% of the road network, local roads carry a lighter load per mile: 1,450,813 vehicle-miles traveled per day (≈530 million per year). Trucks make up 6.5% of non-highway traffic, about 1 in 16 vehicles.
The concentration of trucks on non-highway roads is 34% lower than on highways.
The non-highway congestion ratio of 13.0% is 19% lower than the state level, suggesting more efficient local mobility than the state average.
Trip origins here have lower average income than 56% of counties in New Hampshire. 56% of counties in New Hampshire have a younger driver population than Grafton.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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