Fatal Crash Data

State Highway 1 in Delaware: fatal crashes

From 2015 to 2024, 98 fatal crashes on State Highway 1 in Delaware killed 109 people, the 2nd most of any numbered road in Delaware. In 2024 there were 5 fatal crashes and 5 deaths on the road.

An state highway running through 3 counties of Delaware. All fatal crashes in Delaware.

Deaths on State Highway 1 in Delaware by year

10201620182020202220242018: 172024: 5
YearFatal crashesDeaths
202455
20231011
20221315
20211112
20201011
20191010
20181217
20171011
20161111
201566

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

Where on State Highway 1 in Delaware: the counties with the most fatal crashes

Sussex County County had the most fatal crashes on State Highway 1 from 2015 to 2024: 40, with 44 deaths. Sussex, Kent and New Castle counties together held 100% of fatal crashes in State Highway 1 in Delaware from 2015 to 2024. Counties are listed from 5 fatal crashes.

County20242015 to 2024Deaths
1Sussex County34044
2Kent County23131
3New Castle County02734

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 State Highway 1 in Delaware

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 State Highway 1 in Delaware 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
Sun5.1 percent, 5 fatal crashes1.0 percent, 1 fatal crashes2.0 percent, 2 fatal crashes1.0 percent, 1 fatal crashes2.0 percent, 2 fatal crashes4.1 percent, 4 fatal crashes
Mon0.0 percent, 0 fatal crashes1.0 percent, 1 fatal crashes0.0 percent, 0 fatal crashes3.1 percent, 3 fatal crashes2.0 percent, 2 fatal crashes3.1 percent, 3 fatal crashes
Tue1.0 percent, 1 fatal crashes2.0 percent, 2 fatal crashes1.0 percent, 1 fatal crashes1.0 percent, 1 fatal crashes0.0 percent, 0 fatal crashes2.0 percent, 2 fatal crashes
Wed2.0 percent, 2 fatal crashes1.0 percent, 1 fatal crashes1.0 percent, 1 fatal crashes3.1 percent, 3 fatal crashes3.1 percent, 3 fatal crashes2.0 percent, 2 fatal crashes
Thu2.0 percent, 2 fatal crashes2.0 percent, 2 fatal crashes3.1 percent, 3 fatal crashes2.0 percent, 2 fatal crashes3.1 percent, 3 fatal crashes3.1 percent, 3 fatal crashes
Fri5.1 percent, 5 fatal crashes0.0 percent, 0 fatal crashes0.0 percent, 0 fatal crashes5.1 percent, 5 fatal crashes3.1 percent, 3 fatal crashes5.1 percent, 5 fatal crashes
Sat4.1 percent, 4 fatal crashes1.0 percent, 1 fatal crashes2.0 percent, 2 fatal crashes5.1 percent, 5 fatal crashes6.1 percent, 6 fatal crashes4.1 percent, 4 fatal crashes

By hour

By month

  • Jan6.1%
  • Feb7.1%
  • Mar4.1%
  • Apr6.1%
  • May10.2%
  • Jun7.1%
  • Jul11.2%
  • Aug9.2%
  • Sep9.2%
  • Oct18.4%
  • Nov7.1%
  • Dec4.1%

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

What fatal crashes on State Highway 1 in Delaware first hit

The first harmful event was a collision with another vehicle in 43%; a fixed object such as a tree, pole or barrier in 22%, a pedestrian in 20%, a cyclist in 6.1%.

First harmful eventFatal crashesShare
Collision with another vehicle4243%
Fixed object (tree, pole, barrier, ditch)2222%
Pedestrian2020%
Cyclist66.1%
Other55.1%
Rollover22.0%
Parked vehicle11.0%
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 State Highway 1 in Delaware compare with the state

A drinking driver was recorded in 19% of fatal crashes in State Highway 1 in Delaware from 2015 to 2024, below the Delaware share of 25%; speeding in 28%, below the Delaware share of 29%; a hit-and-run in 3.1%, below the Delaware share of 7.1%; 43% of passenger-vehicle occupants killed with belt use known were unbelted, below the Delaware share of 47%. Shares of fatal crashes from 2015 to 2024, against the share across all of Delaware. A share is only given over 20 crashes.

State Highway 1Delaware
On rural stretches47%41%above the Delaware share
At or near an intersection15%32%below the Delaware share
In the dark, road unlit38%38%about the same as the Delaware share
A drinking driver19%25%below the Delaware share
Speeding28%29%below the Delaware share
Occupants killed unbelted43%47%below the Delaware share
Hit-and-run3.1%7.1%below the Delaware share
A motorcycle involved15%14%above the Delaware share
Pedestrians among the dead22%23%about the same as the Delaware 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 State Highway 1 in Delaware

How many fatal crashes have there been on State Highway 1 in Delaware?
98 fatal crashes killed 109 people on State Highway 1 in Delaware from 2015 to 2024. In 2024 there were 5 fatal crashes and 5 deaths.
Where on State Highway 1 in Delaware do the most fatal crashes happen?
Sussex County had the most fatal crashes on State Highway 1 from 2015 to 2024: 40, with 44 deaths. Kent County was second with 31.

Other roads in Delaware with a page

All fatal crashes in Delaware, with every road ranked.

Where the State Highway 1 numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as State Highway 1 in Delaware (filed under 18 spellings, such as "SR-1", "SR-1 BAY RD", "SR-1 BAY RD S/B", "SR-1 BAY ROAD"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.