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Hillsborough, New Hampshire Traffic Counts

This page delivers traffic analytics for Hillsborough, New Hampshire. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Hillsborough, New Hampshire among 888 road miles divided in 24,605 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 191 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.
Data current as of:
Q3 2026
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Total Traffic Volume & Performance

Traffic

7,083

Trucks

6.0%

Average travel time

32.5 min

Congestion ratio

21.6%

Drivers’ average age

47.2 yrs

Drivers’ average income

$118,363

Our data indicates an estimated average traffic volume of 7,083 vehicles per day in Hillsborough, New Hampshire that results in 7,274,784 vehicle-miles traveled per day (≈2.7 billion per year). The traffic stream is comprised of an average of 1 truck for every 17 vehicles. Typical time spent behind the wheel per trip is 32.5 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the New Hampshire state averages: At 7,083 vehicles per day, the average monitored road in Hillsborough carries 25% more traffic than the state average of 5,669 vehicles per day - a critical factor for logistics and site planning. Network-wide, Hillsborough accounts for about 22% of New Hampshire's statewide total, at 7,274,784 vehicle-miles traveled per day (≈2.7 billion per year). The average trip takes 32.5 minutes, on par with the state level. The congestion ratio of 21.6% is 23% higher, pointing to more pronounced congestion than the state level - crucial for traffic control improvement and logistics planning. In fact, Hillsborough has the highest average traffic volume of any county in New Hampshire, at 7,083 vehicles per day. 22% of counties in New Hampshire have a shorter average travel time than Hillsborough's 32.5 minutes.

Highway vs. Non-Highway Traffic Analysis

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Highway Traffic

Traffic

18,232

Trucks

7.2%

Average travel time

35.8 min

Congestion ratio

40.6%

Drivers’ average age

47.6 yrs

Drivers’ average income

$119,382

A significant volume of traffic in Hillsborough, New Hampshire utilizes the highway network. The average highway carries 18,232 vehicles per day, 189% more than the average non-highway road in the same area, which carries 6,304 vehicles per day. That average covers 154 highway road miles divided in 1,608 segments (average segment length 504 ft), together carrying 3,525,044 vehicle-miles traveled per day (≈1.3 billion per year). By highway travel volume, Hillsborough outranks 89% of counties in New Hampshire. Trucks constitute 7.2% of highway traffic.

Analytical insight

The concentration of trucks on highways (7.2%) is 16% lower than the state average for similar road classifications. This indicates Hillsborough serves as a primarily local traffic hub. For logistics operators, this validates the importance of local access. Hillsborough also posts the lowest highway truck share in New Hampshire - 7.2%. By raw truck volume, Hillsborough carries more highway trucks than 89% of counties in New Hampshire.
non-highway traffic icon

Non-highway traffic

Traffic

6,304

Trucks

4.8%

Average travel time

32.3 min

Congestion ratio

20.2%

Drivers’ average age

46.7 yrs

Drivers’ average income

$117,744

The non-highway road network in Hillsborough, New Hampshire supports a substantial volume of traffic. The average non-highway road carries 6,304 vehicles per day, 65% less than the average highway in the same area, which carries 18,232 vehicles per day. That average covers 734 non-highway road miles divided in 22,997 segments (average segment length 169 ft), together carrying 3,749,739 vehicle-miles traveled per day (≈1.4 billion per year). Trucks constitute 4.8% of non-highway traffic.

Analytical insight

The concentration of trucks on non-highway roads is 34% lower than on highways. At 25% higher than the state level, the non-highway congestion ratio of 20.2% signals more friction on local roads. 22% of counties in New Hampshire see shorter overall travel times than Hillsborough. Trip origins here have higher average income than 89% of counties in New Hampshire. 11% of counties in New Hampshire have a younger driver population than Hillsborough.

Time-of-Day & Seasonal Patterns

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Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and PM peak 4:00 PM–6:00 PM, with volumes reaching approximately 75% higher than the daily average.
Weekend traffic:
Weekend volumes run about 16% below weekday levels.
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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 -15% versus the annual average.

Analytical insight

In Hillsborough, 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

Hillsborough

New Hampshire
Average

Difference

Traffic

7,083

5,669

+24.9%

Truck % (Total Traffic)

6.0%

7.0%

-15.1%

Truck % (Highway)

7.2%

8.6%

-16.4%

Avg. Travel Time

32.5 min

32.7 min

-0.6%

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)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

New HampshireDepartment of Transportation

Historical traffic pattern databases

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
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Data current as of:
Q3 2026

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