Fatal Crash Data

US 1 in Pennsylvania: fatal crashes

From 2015 to 2024, 124 fatal crashes on US 1 in Pennsylvania killed 134 people, the 6th most of any numbered road in Pennsylvania. In 2024 there were 3 fatal crashes and 3 deaths on the road.

An US route running through 6 counties of Pennsylvania. All fatal crashes in Pennsylvania.

Deaths on US 1 in Pennsylvania by year

1020201620182020202220242018: 232024: 3
YearFatal crashesDeaths
202433
20231111
20221313
20211011
20201516
20191417
20182323
20171011
20161518
20151011

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

Where on US 1 in Pennsylvania: the counties with the most fatal crashes

Philadelphia County County had the most fatal crashes on US 1 from 2015 to 2024: 85, with 90 deaths. Philadelphia, Delaware and Bucks counties together held 91% of fatal crashes in US 1 in Pennsylvania from 2015 to 2024; the 4 listed held 96%. Counties are listed from 5 fatal crashes.

County20242015 to 2024Deaths
1Philadelphia County28590
2Delaware County01515
3Bucks County11315
4Chester County068

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 US 1 in Pennsylvania

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 US 1 in Pennsylvania 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
Sun5.7 percent, 7 fatal crashes4.1 percent, 5 fatal crashes0.0 percent, 0 fatal crashes3.3 percent, 4 fatal crashes2.4 percent, 3 fatal crashes1.6 percent, 2 fatal crashes
Mon4.1 percent, 5 fatal crashes3.3 percent, 4 fatal crashes0.8 percent, 1 fatal crashes0.0 percent, 0 fatal crashes3.3 percent, 4 fatal crashes5.7 percent, 7 fatal crashes
Tue0.0 percent, 0 fatal crashes3.3 percent, 4 fatal crashes2.4 percent, 3 fatal crashes1.6 percent, 2 fatal crashes3.3 percent, 4 fatal crashes3.3 percent, 4 fatal crashes
Wed1.6 percent, 2 fatal crashes2.4 percent, 3 fatal crashes0.8 percent, 1 fatal crashes4.1 percent, 5 fatal crashes2.4 percent, 3 fatal crashes1.6 percent, 2 fatal crashes
Thu3.3 percent, 4 fatal crashes0.0 percent, 0 fatal crashes0.8 percent, 1 fatal crashes0.8 percent, 1 fatal crashes0.0 percent, 0 fatal crashes4.1 percent, 5 fatal crashes
Fri0.8 percent, 1 fatal crashes1.6 percent, 2 fatal crashes1.6 percent, 2 fatal crashes0.8 percent, 1 fatal crashes0.8 percent, 1 fatal crashes4.1 percent, 5 fatal crashes
Sat6.5 percent, 8 fatal crashes1.6 percent, 2 fatal crashes1.6 percent, 2 fatal crashes0.8 percent, 1 fatal crashes2.4 percent, 3 fatal crashes7.3 percent, 9 fatal crashes

By hour

By month

  • Jan4.0%
  • Feb5.6%
  • Mar6.5%
  • Apr8.1%
  • May6.5%
  • Jun11.3%
  • Jul11.3%
  • Aug8.9%
  • Sep12.1%
  • Oct7.3%
  • Nov11.3%
  • Dec7.3%

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

What fatal crashes on US 1 in Pennsylvania first hit

The first harmful event was a collision with another vehicle in 34%; a pedestrian in 32%, a fixed object such as a tree, pole or barrier in 28%, a rollover in 2.4%.

First harmful eventFatal crashesShare
Collision with another vehicle4234%
Pedestrian3932%
Fixed object (tree, pole, barrier, ditch)3528%
Other43.2%
Rollover32.4%
Cyclist10.8%
Parked vehicle00.0%
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 US 1 in Pennsylvania compare with the state

A drinking driver was recorded in 20% of fatal crashes in US 1 in Pennsylvania from 2015 to 2024, below the Pennsylvania share of 25%; speeding in 41%, about the Pennsylvania share; a hit-and-run in 7.3%, above the Pennsylvania share of 5.1%; 77% of passenger-vehicle occupants killed with belt use known were unbelted, above the Pennsylvania share of 58%. Shares of fatal crashes from 2015 to 2024, against the share across all of Pennsylvania. A share is only given over 20 crashes.

US 1Pennsylvania
On rural stretches2.4%45%below the Pennsylvania share
At or near an intersection36%24%above the Pennsylvania share
In the dark, road unlit12%25%below the Pennsylvania share
A drinking driver20%25%below the Pennsylvania share
Speeding41%40%about the same as the Pennsylvania share
Occupants killed unbelted77%58%above the Pennsylvania share
Hit-and-run7.3%5.1%above the Pennsylvania share
A motorcycle involved16%18%below the Pennsylvania share
Pedestrians among the dead31%14%above the Pennsylvania share

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

Questions about fatal crashes in US 1 in Pennsylvania

How many fatal crashes have there been on US 1 in Pennsylvania?
124 fatal crashes killed 134 people on US 1 in Pennsylvania from 2015 to 2024. In 2024 there were 3 fatal crashes and 3 deaths.
Where on US 1 in Pennsylvania do the most fatal crashes happen?
Philadelphia County had the most fatal crashes on US 1 from 2015 to 2024: 85, with 90 deaths. Delaware County was second with 15.

Other roads in Pennsylvania with a page

All fatal crashes in Pennsylvania, with every road ranked.

Where the US 1 numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as US 1 in Pennsylvania (filed under 16 spellings, such as "US- 1 ROOSEVELT BLVD", "US-1", "US-1 BALTIMORE PIKE", "US-1 BALTIMORE PK"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.