Fatal Crash Data

US 78 in South Carolina: fatal crashes

From 2015 to 2024, 66 fatal crashes on US 78 in South Carolina killed 74 people. In 2024 there were 9 fatal crashes and 10 deaths on the road.

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

Deaths on US 78 in South Carolina by year

10201620182020202220242017: 122024: 10
YearFatal crashesDeaths
20151111
201679
2017912
201855
201934
202034
202177
202244
202388
2024910

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

Where on US 78 in South Carolina: the counties with the most fatal crashes

Charleston County had the most fatal crashes on US 78 from 2015 to 2024: 26, with 26 deaths. Counties are listed from 5 fatal crashes.

County20242015 to 2024Deaths
1Charleston32626
2Dorchester42020
3Aiken11113
4Barnwell159

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 78 in South Carolina

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 78 in South Carolina 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
Sun3.0 percent, 2 fatal crashes1.5 percent, 1 fatal crashes3.0 percent, 2 fatal crashes0.0 percent, 0 fatal crashes3.0 percent, 2 fatal crashes4.5 percent, 3 fatal crashes
Mon0.0 percent, 0 fatal crashes4.5 percent, 3 fatal crashes0.0 percent, 0 fatal crashes1.5 percent, 1 fatal crashes3.0 percent, 2 fatal crashes3.0 percent, 2 fatal crashes
Tue0.0 percent, 0 fatal crashes3.0 percent, 2 fatal crashes0.0 percent, 0 fatal crashes6.1 percent, 4 fatal crashes3.0 percent, 2 fatal crashes1.5 percent, 1 fatal crashes
Wed0.0 percent, 0 fatal crashes0.0 percent, 0 fatal crashes4.5 percent, 3 fatal crashes4.5 percent, 3 fatal crashes3.0 percent, 2 fatal crashes3.0 percent, 2 fatal crashes
Thu1.5 percent, 1 fatal crashes3.0 percent, 2 fatal crashes1.5 percent, 1 fatal crashes0.0 percent, 0 fatal crashes0.0 percent, 0 fatal crashes0.0 percent, 0 fatal crashes
Fri3.0 percent, 2 fatal crashes0.0 percent, 0 fatal crashes4.5 percent, 3 fatal crashes6.1 percent, 4 fatal crashes7.6 percent, 5 fatal crashes1.5 percent, 1 fatal crashes
Sat6.1 percent, 4 fatal crashes0.0 percent, 0 fatal crashes0.0 percent, 0 fatal crashes0.0 percent, 0 fatal crashes3.0 percent, 2 fatal crashes6.1 percent, 4 fatal crashes

By hour

By month

  • Jan7.6%
  • Feb7.6%
  • Mar9.1%
  • Apr1.5%
  • May9.1%
  • Jun9.1%
  • Jul12.1%
  • Aug7.6%
  • Sep6.1%
  • Oct4.5%
  • Nov13.6%
  • Dec12.1%

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

What fatal crashes on US 78 in South Carolina first hit

First harmful eventFatal crashesShare
Collision with another vehicle4264%
Pedestrian1015%
Fixed object (tree, pole, barrier, ditch)69.1%
Cyclist34.5%
Rollover34.5%
Other23.0%
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 78 in South Carolina compare with the state

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

US 78South Carolina
On rural stretches42%59%below the South Carolina share
At or near an intersection32%20%above the South Carolina share
In the dark, road unlit32%37%below the South Carolina share
A drinking driver26%32%below the South Carolina share
Speeding36%40%below the South Carolina share
Occupants killed unbelted38%53%below the South Carolina share
Hit-and-run6.1%4.2%above the South Carolina share
A motorcycle involved24%16%above the South Carolina share
Pedestrians among the dead14%16%below the South Carolina share

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

Other roads in South Carolina with a page

All fatal crashes in South Carolina, with every road ranked.

Where the US 78 numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as US 78 in South Carolina (filed under 14 spellings, such as "US- 78 MEMEORIAL BLVD", "US-78", "US-78 HWY 78", "US-78 CHARLESTON HWY"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.