Fatal RoadsSearch

Edition: FARS 2024, annual fileNHTSA released it on Release dates

US Route 21 fatal crashes in South Carolina

FARS records 156 fatal crashes with 176 deaths on US Route 21 in South Carolina from 2015 to 2024.

In 2024 it records 19 fatal crashes with 27 deaths on the route.

By fatal crashes from 2015 to 2024, US Route 21 was number 8 of the 106 routes of South Carolina with a page.

Fatal crashes on US Route 21 rose by 51.5% between the ten years 2005 to 2014 (103) and the ten years 2015 to 2024 (156).

In South Carolina they rose by 15.4% between the same years.

From 2015 to 2024, a driver was recorded as drinking in 29.5% of fatal crashes on US Route 21 and 32.2% in South Carolina.

To qualify as a FARS case, the crash had to involve a motor vehicle traveling on a trafficway customarily open to the public and must have resulted in the death of a motorist or a non-motorist within 30 days of the crash.

The set of first files, known as the Annual Report File (ARF), is released following the crash year. The ARF is replaced about a year later with a final file, which contains additional cases or updates to cases that had become available after the ARF was released.

NHTSA's words. Source: NHTSA, Fatality Analysis Reporting System Analytical User's Manual, 1975-2024 (DOT HS 813 794, April 2026), copied on .

This page rests on the FARS 2024 annual file. NHTSA released it on . NHTSA can revise the counts in the final file. Release dates

Figure 1.Fatal crashes on US Route 21 in South Carolina by year, 2015 to 2024

Table 1 has the numbers. Go to the table

Since the last update: no figure of this route has a change on record.

Fatal crashes by year

Table 1.US Route 21 in South Carolina: fatal crashes and deaths by year, 2000 to 2024
YearFatal crashesDeaths
20241927
20231414
20221517
20212123
20201417
20191618
20181617
20171719
20161616
201588
201489
20131416
20121112
201155
201099
200966
20081213
20071112
20061313
20051415
20041215
2003911
200244
20011515
20001111

Note: the route is the trafficway that FARS records for the crash. The records of routes start in 2000. A count of 1 or 2 is written "1 or 2".

Counties on the route

Table 2.US Route 21: fatal crashes on the route in each county, 2015 to 2024, in name order
CountyOn the routeOn all roads of the county
Bamberg County1 or 232
Beaufort County39205
Calhoun County560
Chester County14118
Colleton County5194
Fairfield County7104
Lexington County16466
Orangeburg County20349
Richland County19553
York County29314

Note: the table has the counties where FARS records a fatal crash on the route in these years.

Factors that NHTSA records

Table 3.US Route 21 in South Carolina: counts by recorded factor, 2015 to 2024
FactorCountCounted amongShareShare on all roads of South Carolina
A driver recorded as drinkingof 156 fatal crashes46156 fatal crashes32.2%
A speeding-related driverof 156 fatal crashes61156 fatal crashes40.2%
Pedestriansof 176 deaths30176 deaths15.7%
Motorcyclistsof 176 deaths28176 deaths15.4%

Note: FARS records a driver as drinking when police reported alcohol involvement or a test of the driver was positive for alcohol. It is not NHTSA's alcohol-impaired measure. One crash can be in two rows. NHTSA's definitions

Note that alcohol data is often missing. For that reason, this data element may under-count the actual number of drinking drivers.

NHTSA's words. Source: NHTSA, Fatality Analysis Reporting System Analytical User's Manual, 1975-2024 (DOT HS 813 794, April 2026), copied on .

Time of day

Table 4.US Route 21 in South Carolina: fatal crashes by time of day, 2015 to 2024
Time of dayFatal crashesShareShare on all roads of South Carolina
Midnight to 6 a.m.2516.0%20.8%
6 a.m. to noon2717.3%17.4%
Noon to 6 p.m.4126.3%25.8%
6 p.m. to midnight6340.4%36.0%

Note: the table has the fatal crashes with a known hour.

Mile ranges

Table 5.US Route 21 in South Carolina: fatal crashes by range of five miles, 2015 to 2024
MilepointFatal crashes
Mile 0 to 518
Mile 5 to 1027
Mile 10 to 1532
Mile 15 to 2015
Mile 20 to 2516
Mile 25 to 3014

Note: the table has the six ranges of five miles with the largest counts, in the order of the milepoint. 80.8 percent of the fatal crashes on the route have a milepoint in FARS. A state can start its milepoints again at a county line.

Routes in the same counties

These routes of South Carolina have a fatal crash on record in one or more of the same counties. The list is for navigation. The number is the fatal crashes on the route from 2015 to 2024.

All routes in South Carolina

Official channels

These links go to the sites of the agencies. They were checked on .

Cite this page

Fatal Roads. US Route 21 fatal crashes in South Carolina. https://fatalroads.com/route/sc/us-21/. Source: National Highway Traffic Safety Administration, Fatality Analysis Reporting System, FARS 2024 annual file. Data to .

The address of this page does not change.

Source of the figures

Counts: National Highway Traffic Safety Administration, Fatality Analysis Reporting System, national files of 2000 to 2024. A route page is built for a signed Interstate, US or state route with 20 or more fatal crashes in a state in ten years. Data to . The figures are totals. No page of this site is about one crash or one person.

How the figures are made. Data sources and licences. Corrections.

Questions

How many fatal crashes did FARS record on US Route 21 in the ten years before 2015?

FARS records 103 fatal crashes on US Route 21 in South Carolina from 2005 to 2014. It records 156 from 2015 to 2024.

What part of the fatal crashes in South Carolina was on US Route 21?

156 of the 9,692 fatal crashes in South Carolina from 2015 to 2024 were on US Route 21. That is 1.6 percent.

How many fatal crashes on US Route 21 had a driver recorded as drinking?

FARS records a driver as drinking in 46 of 156 fatal crashes from 2015 to 2024. It records a speeding-related driver in 61 of them.

Does this page count the same route number in a different state?

No. This page counts the fatal crashes that FARS records on US Route 21 in South Carolina only. The route in a different state has its own page.