I-55 in Louisiana: fatal crashes
From 2015 to 2024, 50 fatal crashes on I-55 in Louisiana killed 55 people, the 20th most of any numbered road in Louisiana. In 2024 there were 3 fatal crashes and 3 deaths on the road.
An interstate running through 2 counties of Louisiana. All fatal crashes in Louisiana. I-55 in every state.
Deaths on I-55 in Louisiana by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 3 | 3 |
| 2023 | 7 | 10 |
| 2022 | 5 | 5 |
| 2021 | 4 | 4 |
| 2020 | 5 | 6 |
| 2019 | 4 | 4 |
| 2018 | 5 | 5 |
| 2017 | 10 | 11 |
| 2016 | 4 | 4 |
| 2015 | 3 | 3 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Where on I-55 in Louisiana: the counties with the most fatal crashes
Tangipahoa Parish had the most fatal crashes on I-55 from 2015 to 2024: 38, with 40 deaths. Counties are listed from 5 fatal crashes.
| County | 2024 | 2015 to 2024 | Deaths | |
|---|---|---|---|---|
| 1 | Tangipahoa Parish | 2 | 38 | 40 |
| 2 | St. John the Baptist Parish | 1 | 12 | 15 |
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 I-55 in Louisiana
Too few crashes to name a heaviest slot. The grid shows the shares; a share is only given over 20 crashes.
| Midnight to 4 | 4 to 8 am | 8 to noon | Noon to 4 | 4 to 8 pm | 8 to midnight | |
|---|---|---|---|---|---|---|
| Sun | 8.0 percent, 4 fatal crashes | 4.0 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 2.0 percent, 1 fatal crashes | 2.0 percent, 1 fatal crashes |
| Mon | 4.0 percent, 2 fatal crashes | 2.0 percent, 1 fatal crashes | 16.0 percent, 8 fatal crashes | 0.0 percent, 0 fatal crashes | 4.0 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes |
| Tue | 2.0 percent, 1 fatal crashes | 4.0 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes |
| Wed | 4.0 percent, 2 fatal crashes | 2.0 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 4.0 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes |
| Thu | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 4.0 percent, 2 fatal crashes | 6.0 percent, 3 fatal crashes | 2.0 percent, 1 fatal crashes | 6.0 percent, 3 fatal crashes |
| Fri | 2.0 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 2.0 percent, 1 fatal crashes | 4.0 percent, 2 fatal crashes | 6.0 percent, 3 fatal crashes |
| Sat | 4.0 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 2.0 percent, 1 fatal crashes | 2.0 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 2.0 percent, 1 fatal crashes |
By hour
By month
- Jan8.0%
- Feb8.0%
- Mar6.0%
- Apr12.0%
- May2.0%
- Jun10.0%
- Jul10.0%
- Aug14.0%
- Sep0.0%
- Oct20.0%
- Nov2.0%
- Dec8.0%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Fatal crashes per mile on I-55 in Louisiana
7.57 fatal crashes a year per 100 miles over 2015 to 2024, on 66 miles of I-55 in Louisiana, against 10.59 for all interstates in Louisiana. That ranks 4 of 5 interstates in Louisiana and 95 of 171 interstate pages on this site.
Mileage from the FHWA Interstate route log (table 1), the only figure here not counted from FARS. Crashes per mile of road, not per vehicle: FARS records crashes, not traffic.
What fatal crashes on I-55 in Louisiana first hit
The first harmful event was a collision with another vehicle in 50%; a fixed object such as a tree, pole or barrier in 22%, a pedestrian in 8.0%, a rollover in 8.0%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Collision with another vehicle | 25 | 50% |
| Fixed object (tree, pole, barrier, ditch) | 11 | 22% |
| Pedestrian | 4 | 8.0% |
| Rollover | 4 | 8.0% |
| Parked vehicle | 3 | 6.0% |
| Other | 3 | 6.0% |
| Cyclist | 0 | 0.0% |
| Not reported | 0 | 0.0% |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
How fatal crashes on I-55 in Louisiana compare with the state
A drinking driver was recorded in 36% of fatal crashes in I-55 in Louisiana from 2015 to 2024, above the Louisiana share of 31%; speeding in 30%, above the Louisiana share of 22%; a hit-and-run in 2.0%, below the Louisiana share of 7.3%; a driver recorded as distracted in 38%, above the Louisiana share of 21%; 38% of passenger-vehicle occupants killed with belt use known were unbelted, below the Louisiana share of 57%. Shares of fatal crashes from 2015 to 2024, against the share across all of Louisiana. A share is only given over 20 crashes.
| I-55 | Louisiana | ||
|---|---|---|---|
| On rural stretches | 38% | 45% | below the Louisiana share |
| At or near an intersection | 0.0% | 20% | below the Louisiana share |
| In the dark, road unlit | 57% | 35% | above the Louisiana share |
| A drinking driver | 36% | 31% | above the Louisiana share |
| Speeding | 30% | 22% | above the Louisiana share |
| A distracted driver (as recorded) | 38% | 21% | above the Louisiana share |
| Occupants killed unbelted | 38% | 57% | below the Louisiana share |
| Hit-and-run | 2.0% | 7.3% | below the Louisiana share |
| A motorcycle involved | 8.0% | 12% | below the Louisiana share |
| Pedestrians among the dead | 13% | 18% | below the Louisiana 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 I-55 in Louisiana
- How many fatal crashes have there been on I-55 in Louisiana?
- 50 fatal crashes killed 55 people on I-55 in Louisiana from 2015 to 2024. In 2024 there were 3 fatal crashes and 3 deaths.
- Where on I-55 in Louisiana do the most fatal crashes happen?
- Tangipahoa Parish had the most fatal crashes on I-55 from 2015 to 2024: 38, with 40 deaths. St. John the Baptist Parish was second with 12.
- How dangerous is I-55 in Louisiana per mile?
- 7.57 fatal crashes a year per 100 miles over 2015 to 2024, on 66 miles of road, against 10.59 for all interstates in Louisiana. That ranks 4 of 5 interstates in Louisiana and 95 of 171 interstate pages on this site. FARS records crashes, not traffic, so this is crashes per mile of road, not per vehicle.
Other roads in Louisiana with a page
- I-10
- I-12
- I-20
- I-49
- State Highway 1
- State Highway 10
- State Highway 16
- State Highway 182
- State Highway 22
- State Highway 30
- State Highway 308
- US 165
All fatal crashes in Louisiana, with every road ranked.
Where the I-55 numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as I-55 in Louisiana. Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.