This page delivers traffic analytics for Sullivan County, New Hampshire. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Sullivan County, New Hampshire among 289 road miles divided in 3,618 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 422 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
The average number of vehicles that travel each day over any road in the road network.
3,695
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.4 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
11.8%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
52.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$83,982
Our data indicates an estimated average traffic volume of 3,695 vehicles per day in Sullivan County, New Hampshire that results in 858,450 vehicle-miles traveled per day (≈313 million per year). The traffic stream is comprised of an average of 1 truck for every 12 vehicles. Typical time spent behind the wheel per trip is 34.4 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the New Hampshire state averages: Sullivan's average daily traffic volume is 35% lower than the state average - 3,695 vehicles per day against 5,669 - suggesting less traffic load per road, a critical factor for logistics and site planning. Across the whole network that adds up to 858,450 vehicle-miles traveled per day (≈313 million per year), roughly 2.6% of New Hampshire's statewide total. At 34.4 minutes, the average travel time is 5% higher than the state level. At 32% lower than the state level, the 11.8% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. 22% of counties in New Hampshire see less traffic than Sullivan's 3,695 vehicles per day. Its average travel time of 34.4 minutes is longer than 67% of counties in New Hampshire.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
8,019
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.2 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
20.2%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
52.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$90,646
A significant volume of traffic in Sullivan County, New Hampshire utilizes the highway network. The average highway carries 8,019 vehicles per day, 207% more than the average non-highway road in the same area, which carries 2,611 vehicles per day. That average covers 54 highway road miles divided in 725 segments (average segment length 394 ft), together carrying 415,891 vehicle-miles traveled per day (≈152 million per year). Trucks constitute 9.7% of highway traffic.
Analytical insight
The concentration of trucks on highways (9.7%) is 13% higher than the state average for similar road classifications. This indicates Sullivan serves as a significant freight corridor. For logistics operators, this validates the importance of highway access. Sullivan's highway truck share (9.7%) is higher than 89% of counties in New Hampshire. 33% of counties in New Hampshire see fewer highway trucks per day than Sullivan's roughly 781.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
2,611
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.8%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.5 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
9.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$77,096
The non-highway road network in Sullivan County, New Hampshire supports a substantial volume of traffic. The average non-highway road carries 2,611 vehicles per day, 67% less than the average highway in the same area, which carries 8,019 vehicles per day. That average covers 235 non-highway road miles divided in 2,893 segments (average segment length 429 ft), together carrying 442,559 vehicle-miles traveled per day (≈162 million per year). Trucks constitute 6.8% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 30% lower than the highway network. At 40% lower than the state level, the non-highway congestion ratio of 9.7% signals easier movement on local roads. 67% of counties in New Hampshire see shorter overall travel times than Sullivan. 33% of counties in New Hampshire see lower average driver income among trip origins than Sullivan. Sullivan's median driver age is higher than 67% of counties in New Hampshire.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and PM peak 2:00 PM–6:00 PM, with volumes reaching approximately 77% higher than the daily average.
Weekend traffic:
Weekend volumes run about 27% below weekday levels.
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +8% versus the annual average.
Lowest month:
January is the quietest month, with volumes -14% versus the annual average.
Analytical insight
In Sullivan County, New Hampshire, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +8% in high season.
Traffic Flow Profile Comparison
Metric
Sullivan
New Hampshire
Average
Difference
Traffic
3,695
5,669
-34.8%
Truck % (Total Traffic)
8.2%
7.0%
+17.1%
Truck % (Highway)
9.7%
8.6%
+12.7%
Avg. Travel Time
34.4 min
32.7 min
+5.3%
Frequently Asked Questions
The average daily traffic volume is calculated at 3,695 vehicles per day, providing a baseline for daily operations and site assessment.
Sullivan carries more highway trucks by raw volume than 33% of counties in New Hampshire, at roughly 781 per day.
Drivers on Sullivan roads have a median age of 52 years, and the median household income of the neighborhoods trips originate from averages $83,982 - useful context for retail siting and customer profiling.
Weekday peaks occur between 7:00 AM and 9:00 AM in the morning and between 2:00 PM and 6:00 PM in the evening - about 77% above the daily average.
Trucks account for approximately 8.2% of the total traffic mix across all road types, with a significantly higher concentration of 9.7% on highways.
Traffic volumes are typically 8% higher during June–August. Volumes drop to their lowest levels in January, averaging 3,178 vehicles per day - a 14% decrease from the annual average.
Approximately 12% of highway traffic and 8% of non-highway traffic consists of vehicles whose trip originates outside Sullivan County, New Hampshire. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
The average travel time for drivers is 34.4 minutes, offering a standard metric for commute and delivery route planning.
Data Sources & Methodology
The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:
Mobile device location data (anonymized and aggregated)