Fatal Crash Data

I-93 in New Hampshire: fatal crashes

From 2015 to 2024, 82 fatal crashes on I-93 in New Hampshire killed 86 people, the most of any numbered road in New Hampshire. In 2024 there were 7 fatal crashes and 7 deaths on the road.

An interstate running through 5 counties of New Hampshire. All fatal crashes in New Hampshire.

Deaths on I-93 in New Hampshire by year

10201620182020202220242016: 142024: 7
YearFatal crashesDeaths
201578
20161414
201788
20181314
201933
202033
202179
20221111
202399
202477

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

Where on I-93 in New Hampshire: the counties with the most fatal crashes

Merrimack County had the most fatal crashes on I-93 from 2015 to 2024: 26, with 27 deaths. Counties are listed from 5 fatal crashes.

County20242015 to 2024Deaths
1Merrimack22627
2Grafton12122
3Rockingham31820
4Belknap099
5Hillsborough188

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

When fatal crashes happen on I-93 in New Hampshire

Too few crashes to name a heaviest slot. The grid shows the shares; a share is only given over 20 crashes.

Share of fatal crashes in I-93 in New Hampshire by weekday and time of day, 2015 to 2024, in percent
Midnight to 44 to 8 am8 to noonNoon to 44 to 8 pm8 to midnight
Sun3.7 percent, 3 fatal crashes1.2 percent, 1 fatal crashes1.2 percent, 1 fatal crashes1.2 percent, 1 fatal crashes3.7 percent, 3 fatal crashes3.7 percent, 3 fatal crashes
Mon1.2 percent, 1 fatal crashes4.9 percent, 4 fatal crashes1.2 percent, 1 fatal crashes1.2 percent, 1 fatal crashes4.9 percent, 4 fatal crashes1.2 percent, 1 fatal crashes
Tue0.0 percent, 0 fatal crashes2.4 percent, 2 fatal crashes2.4 percent, 2 fatal crashes1.2 percent, 1 fatal crashes0.0 percent, 0 fatal crashes2.4 percent, 2 fatal crashes
Wed0.0 percent, 0 fatal crashes3.7 percent, 3 fatal crashes2.4 percent, 2 fatal crashes4.9 percent, 4 fatal crashes3.7 percent, 3 fatal crashes3.7 percent, 3 fatal crashes
Thu0.0 percent, 0 fatal crashes1.2 percent, 1 fatal crashes2.4 percent, 2 fatal crashes3.7 percent, 3 fatal crashes2.4 percent, 2 fatal crashes1.2 percent, 1 fatal crashes
Fri0.0 percent, 0 fatal crashes2.4 percent, 2 fatal crashes0.0 percent, 0 fatal crashes8.5 percent, 7 fatal crashes3.7 percent, 3 fatal crashes4.9 percent, 4 fatal crashes
Sat1.2 percent, 1 fatal crashes0.0 percent, 0 fatal crashes1.2 percent, 1 fatal crashes2.4 percent, 2 fatal crashes8.5 percent, 7 fatal crashes0.0 percent, 0 fatal crashes

By hour

By month

  • Jan4.9%
  • Feb2.4%
  • Mar6.1%
  • Apr7.3%
  • May8.5%
  • Jun11.0%
  • Jul9.8%
  • Aug11.0%
  • Sep6.1%
  • Oct9.8%
  • Nov14.6%
  • Dec8.5%

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

What fatal crashes on I-93 in New Hampshire first hit

First harmful eventFatal crashesShare
Fixed object (tree, pole, barrier, ditch)4859%
Collision with another vehicle1417%
Rollover1215%
Parked vehicle33.7%
Other33.7%
Pedestrian22.4%
Cyclist00.0%
Not reported00.0%

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

How fatal crashes on I-93 in New Hampshire compare with the state

Shares of fatal crashes from 2015 to 2024, against the share across all of New Hampshire. A share is only given over 20 crashes.

I-93New Hampshire
On rural stretches54%53%about the same as the New Hampshire share
At or near an intersection0.0%18%below the New Hampshire share
In the dark, road unlit40%25%above the New Hampshire share
A drinking driver24%33%below the New Hampshire share
Speeding44%40%above the New Hampshire share
Occupants killed unbelted73%69%above the New Hampshire share
Hit-and-run0.0%1.8%below the New Hampshire share
A motorcycle involved16%23%below the New Hampshire share
Pedestrians among the dead4.7%9.7%below the New Hampshire share

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

Other roads in New Hampshire with a page

All fatal crashes in New Hampshire, with every road ranked.

Where the I-93 numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as I-93 in New Hampshire. Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.