The deadliest roads in Louisiana
I-10 had the most fatal crashes of any numbered road in Louisiana from 2015 to 2024: 452, with 489 deaths. The 60 roads listed held 50% of all fatal crashes in Louisiana from 2015 to 2024; 6 are interstates, 13 US routes, 41 state highways.
615 numbered roads in Louisiana recorded a fatal crash in those years; the 60 with 5 or more are ranked below, and 20 have a page of their own. All fatal crashes in Louisiana.
Every numbered road in Louisiana, ranked by fatal crashes
| Road | Kind | Fatal crashes | Deaths | 2022 to 2024 | Counties with the most | |
|---|---|---|---|---|---|---|
| 1 | I-10 | Interstate | 452 | 489 | 139 | Orleans Parish, Calcasieu Parish, Ascension Parish |
| 2 | US 90 | US route | 290 | 308 | 105 | Orleans Parish, Jefferson Parish, St. Mary Parish |
| 3 | US 61 | US route | 240 | 267 | 68 | East Baton Rouge Parish, St. John the Baptist Parish, Ascension Parish |
| 4 | US 190 | US route | 185 | 200 | 42 | St. Tammany Parish, East Baton Rouge Parish, St. Landry Parish |
| 5 | State Highway 1 | State highway | 172 | 189 | 54 | Lafourche Parish, Caddo Parish, West Baton Rouge Parish |
| 6 | I-20 | Interstate | 161 | 178 | 48 | Ouachita Parish, Caddo Parish, Bossier Parish |
| 7 | I-12 | Interstate | 145 | 161 | 58 | St. Tammany Parish, East Baton Rouge Parish, Livingston Parish |
| 8 | US 165 | US route | 115 | 123 | 37 | Ouachita Parish, Morehouse Parish, Rapides Parish |
| 9 | I-49 | Interstate | 110 | 136 | 34 | Rapides Parish, St. Landry Parish, Natchitoches Parish |
| 10 | US 167 | US route | 107 | 117 | 30 | Lafayette Parish, Vermilion Parish, Rapides Parish |
| 11 | US 71 | US route | 98 | 106 | 32 | Caddo Parish, Rapides Parish, Grant Parish |
| 12 | US 171 | US route | 88 | 93 | 21 | Beauregard Parish, Calcasieu Parish, Caddo Parish |
| 13 | State Highway 182 | State highway | 78 | 91 | 25 | St. Mary Parish, Terrebonne Parish, St. Landry Parish |
| 14 | State Highway 16 | State highway | 74 | 81 | 33 | Livingston Parish, St. Helena Parish, Washington Parish |
| 15 | US 80 | US route | 73 | 78 | 23 | Ouachita Parish, Bossier Parish, Madison Parish |
| 16 | State Highway 10 | State highway | 67 | 76 | 19 | Washington Parish, Vernon Parish, East Feliciana Parish |
| 17 | State Highway 308 | State highway | 62 | 70 | 23 | Lafourche Parish, Assumption Parish, Ascension Parish |
| 18 | State Highway 14 | State highway | 53 | 56 | 14 | Vermilion Parish, Calcasieu Parish, Iberia Parish |
| 19 | State Highway 22 | State highway | 52 | 55 | 21 | Livingston Parish, Tangipahoa Parish, Ascension Parish |
| 20 | I-55 | Interstate | 50 | 55 | 15 | Tangipahoa Parish, St. John the Baptist Parish |
| 21 | State Highway 67 | State highway | 45 | 52 | 14 | East Baton Rouge Parish, East Feliciana Parish |
| 22 | US 84 | US route | 42 | 49 | 10 | Concordia Parish, De Soto Parish, Winn Parish |
| 23 | State Highway 30 | State highway | 39 | 43 | 17 | East Baton Rouge Parish, Ascension Parish, Iberville Parish |
| 24 | State Highway 28 | State highway | 37 | 40 | 11 | Rapides Parish, Vernon Parish, LaSalle Parish |
| 25 | US 425 | US route | 37 | 39 | 11 | Franklin Parish, Morehouse Parish, Richland Parish |
| 26 | State Highway 42 | State highway | 34 | 34 | 11 | Livingston Parish, East Baton Rouge Parish, Ascension Parish |
| 27 | State Highway 39 | State highway | 32 | 34 | 13 | Orleans Parish, St. Bernard Parish, Plaquemines Parish |
| 28 | State Highway 24 | State highway | 31 | 33 | 9 | Terrebonne Parish, Lafourche Parish |
| 29 | State Highway 27 | State highway | 30 | 36 | 5 | Calcasieu Parish, Cameron Parish, Beauregard Parish |
| 30 | State Highway 46 | State highway | 30 | 34 | 8 | St. Bernard Parish, Orleans Parish |
| 31 | State Highway 6 | State highway | 30 | 32 | 9 | Natchitoches Parish, Sabine Parish |
| 32 | State Highway 13 | State highway | 29 | 33 | 9 | Acadia Parish, Evangeline Parish, St. Landry Parish |
| 33 | State Highway 21 | State highway | 28 | 30 | 9 | St. Tammany Parish, Washington Parish |
| 34 | State Highway 70 | State highway | 28 | 30 | 10 | Assumption Parish, Ascension Parish, St. Martin Parish |
| 35 | State Highway 20 | State highway | 27 | 33 | 8 | Lafourche Parish, Terrebonne Parish, St. James Parish |
| 36 | State Highway 44 | State highway | 27 | 30 | 9 | Ascension Parish, St. John the Baptist Parish, St. James Parish |
| 37 | US 51 | US route | 27 | 30 | 7 | Tangipahoa Parish, St. John the Baptist Parish |
| 38 | State Highway 34 | State highway | 27 | 29 | 12 | Ouachita Parish, Winn Parish, Jackson Parish |
| 39 | State Highway 511 | State highway | 27 | 27 | 10 | Caddo Parish, Orleans Parish |
| 40 | State Highway 19 | State highway | 26 | 28 | 9 | East Baton Rouge Parish, East Feliciana Parish, Livingston Parish |
| 41 | State Highway 23 | State highway | 26 | 27 | 13 | Plaquemines Parish, Jefferson Parish |
| 42 | State Highway 18 | State highway | 25 | 27 | 8 | Jefferson Parish, St. Charles Parish, St. James Parish |
| 43 | State Highway 37 | State highway | 25 | 25 | 8 | East Baton Rouge Parish, St. Helena Parish |
| 44 | I-110 | Interstate | 23 | 25 | 7 | East Baton Rouge Parish |
| 45 | State Highway 139 | State highway | 23 | 23 | 4 | Ouachita Parish, Morehouse Parish, Orleans Parish |
| 46 | State Highway 73 | State highway | 23 | 23 | 4 | East Baton Rouge Parish, Ascension Parish |
| 47 | State Highway 25 | State highway | 22 | 27 | 12 | St. Tammany Parish, Washington Parish |
| 48 | State Highway 75 | State highway | 22 | 23 | 4 | Iberville Parish, Ascension Parish |
| 49 | State Highway 2 | State highway | 21 | 25 | 5 | Union Parish, Caddo Parish, Ouachita Parish |
| 50 | US 79 | US route | 21 | 23 | 7 | Webster Parish, Claiborne Parish, Bossier Parish |
| 51 | State Highway 64 | State highway | 21 | 21 | 6 | East Baton Rouge Parish, Livingston Parish |
| 52 | US 65 | US route | 20 | 25 | 6 | East Carroll Parish, Madison Parish, Tensas Parish |
| 53 | State Highway 15 | State highway | 20 | 23 | 5 | Union Parish, Ouachita Parish, Richland Parish |
| 54 | State Highway 107 | State highway | 20 | 22 | 7 | Avoyelles Parish, Rapides Parish |
| 55 | State Highway 3127 | State highway | 19 | 23 | 3 | St. Charles Parish, St. James Parish, St. John the Baptist Parish |
| 56 | State Highway 112 | State highway | 18 | 20 | 8 | Rapides Parish, Beauregard Parish, Allen Parish |
| 57 | State Highway 26 | State highway | 18 | 18 | 6 | Allen Parish, Jefferson Davis Parish, Beauregard Parish |
| 58 | State Highway 428 | State highway | 18 | 18 | 3 | Orleans Parish, Jefferson Parish |
| 59 | State Highway 57 | State highway | 17 | 20 | 5 | Terrebonne Parish |
| 60 | State Highway 447 | State highway | 17 | 19 | 4 | Livingston Parish |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Download every numbered road in Louisiana as CSV. Free to reuse with credit: “Fatal Crash Data, fatalcrashdata.com/deadliest-roads/louisiana/, from NHTSA FARS (2024 Annual Report File).”
Interstates in Louisiana per mile
Fatal crashes a year per 100 miles of road, 2015 to 2024, for interstates with 20 miles or more in Louisiana. Crashes per mile of road, not per vehicle. Mileage from the FHWA Interstate route log.
| Road | Per 100 miles a year | Fatal crashes | Miles | |
|---|---|---|---|---|
| 1 | I-12 | 16.7 | 145 | 87 |
| 2 | I-10 | 16.5 | 452 | 275 |
| 3 | I-20 | 8.5 | 161 | 190 |
| 4 | I-55 | 7.6 | 50 | 66 |
| 5 | I-49 | 4.4 | 110 | 250 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Questions about the deadliest roads in Louisiana
- What is the deadliest road in Louisiana?
- I-10 had the most fatal crashes of any numbered road in Louisiana from 2015 to 2024: 452, with 489 deaths. US 90 was second with 290 and US 61 third with 240. Source: NHTSA's Fatality Analysis Reporting System (FARS).
- Which interstate in Louisiana is the most dangerous per mile?
- I-12, with 16.7 fatal crashes a year per 100 miles over 2015 to 2024 on 87 miles. That is crashes per mile of road, not per vehicle.
- How many fatal crashes in Louisiana happen on numbered roads?
- 5,775 of 7,467 fatal crashes in Louisiana from 2015 to 2024 (77%) were filed on an interstate, US or state route; the rest were on county roads, city streets and unnamed roads, which are in the state's total but not ranked here.
Where the Louisiana road numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash filed on a numbered interstate, US or state route in Louisiana, read from the road name NHTSA filed, with ramps, frontage and service roads left out. A road gets its own page with 15 or more fatal crashes from 2022 to 2024. The full method.