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

US Route 171 fatal crashes in Louisiana

FARS records 88 fatal crashes with 93 deaths on US Route 171 in Louisiana from 2015 to 2024.

In 2024 it records 6 fatal crashes with 7 deaths on the route.

By fatal crashes from 2015 to 2024, US Route 171 was number 12 of the 54 routes of Louisiana with a page.

Fatal crashes on US Route 171 rose by 11.4% between the ten years 2005 to 2014 (79) and the ten years 2015 to 2024 (88).

In Louisiana they rose by 0.1% between the same years.

From 2015 to 2024, a driver was recorded as drinking in 18.2% of fatal crashes on US Route 171 and 30.9% in Louisiana.

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 171 in Louisiana 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 171 in Louisiana: fatal crashes and deaths by year, 2000 to 2024
YearFatal crashesDeaths
202467
2023912
202266
20211212
20201415
201933
201855
20171616
201699
201588
201468
201355
2012811
20111112
201055
200933
20081112
20071011
200677
20051314
20041213
20031 or 21 or 2
200299
2001910
20001010

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 171: fatal crashes on the route in each county, 2015 to 2024, in name order
CountyOn the routeOn all roads of the county
Beauregard Parish2062
Caddo Parish15374
Calcasieu Parish16359
De Soto Parish1266
Sabine Parish1154
Vernon Parish1470

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 171 in Louisiana: counts by recorded factor, 2015 to 2024
FactorCountCounted amongShareShare on all roads of Louisiana
A driver recorded as drinkingof 88 fatal crashes1688 fatal crashes30.9%
A speeding-related driverof 88 fatal crashes1588 fatal crashes22.4%
Pedestriansof 93 deaths2593 deaths17.9%
Motorcyclistsof 93 deaths1093 deaths10.9%

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 171 in Louisiana: fatal crashes by time of day, 2015 to 2024
Time of dayFatal crashesShareShare on all roads of Louisiana
Midnight to 6 a.m.1112.5%21.7%
6 a.m. to noon1719.3%18.3%
Noon to 6 p.m.2730.7%25.1%
6 p.m. to midnight3337.5%35.0%

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

Mile ranges

Table 5.US Route 171 in Louisiana: fatal crashes by range of five miles, 2015 to 2024
MilepointFatal crashes
Mile 0 to 57
Mile 5 to 107
Mile 20 to 255
Mile 35 to 405
Mile 40 to 454
Mile 170 to 1759

Note: the table has the six ranges of five miles with the largest counts, in the order of the milepoint. 97.7 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 Louisiana 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 Louisiana

Official channels

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

Cite this page

Fatal Roads. US Route 171 fatal crashes in Louisiana. https://fatalroads.com/route/la/us-171/. 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 171 in the ten years before 2015?

FARS records 79 fatal crashes on US Route 171 in Louisiana from 2005 to 2014. It records 88 from 2015 to 2024.

What part of the fatal crashes in Louisiana was on US Route 171?

88 of the 7,467 fatal crashes in Louisiana from 2015 to 2024 were on US Route 171. That is 1.2 percent.

How many fatal crashes on US Route 171 had a driver recorded as drinking?

FARS records a driver as drinking in 16 of 88 fatal crashes from 2015 to 2024. It records a speeding-related driver in 15 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 171 in Louisiana only. The route in a different state has its own page.