Car Accidents in New Hampshire: Road Danger by City

NHTSA fatal-crash data 2020–2024 | 18 ranked cities

Quick answer

According to crimebycity.com's analysis of NHTSA data, New Hampshire recorded 628 traffic deaths in 580 fatal crashes from 2020 to 2024 — 9.0 per 100,000 residents per year, ranking #42 of 50 states (most dangerous first); the US average is 12.3.

Traffic Deaths 2020–2024

628
580 fatal crashes

Deaths per 100K per Year

9.0
-27% vs avg
national: 12.3

State Rank

#42/50
most dangerous first

New Hampshire Traffic Deaths by Year

The Most Dangerous New Hampshire Cities to Drive In

All 18 ranked New Hampshire cities by Road Danger Score (5-year traffic deaths per 100,000 residents, most dangerous first).

# City Danger Score Deaths (2020–2024) Deaths per 100K/yr
1 Conway 95/100 11 21.1
2 Hooksett 93/100 15 19.4
3 Rochester 79/100 22 13.0
4 Laconia 60/100 8 9.3
5 Concord 57/100 20 8.9
6 Portsmouth 56/100 10 8.7
7 Bedford 53/100 10 8.4
8 Pelham 52/100 6 8.2
9 Manchester 49/100 45 7.8
10 Salem 39/100 10 6.3
11 Windham 38/100 5 6.2
12 Exeter 38/100 5 6.2
13 Merrimack 37/100 9 6.1
14 Keene 29/100 6 5.2
15 Londonderry 28/100 7 5.2
16 Dover 24/100 8 4.7
17 Hudson 23/100 6 4.7
18 Nashua 23/100 21 4.6

Frequently Asked Questions

How many car accidents happen in New Hampshire?

NHTSA's Fatality Analysis Reporting System recorded 580 fatal car accidents in New Hampshire from 2020 to 2024, killing 628 people — an average of 126 traffic deaths per year.

How dangerous are New Hampshire roads compared to other states?

New Hampshire averages 9.0 traffic deaths per 100,000 residents per year, ranking #42 of 50 states (most dangerous first). The US average is 12.3 per 100,000.

What causes fatal car accidents in New Hampshire?

Of New Hampshire's fatal crashes in 2020–2024, 35% involved a drinking driver, 31% involved speeding, and 37% happened in dark conditions.

Which New Hampshire city is the most dangerous to drive in?

Among ranked New Hampshire cities, Conway has the highest Road Danger Score (95/100) at 21.1 traffic deaths per 100,000 residents per year.

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