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Buckeye’s connection To Most Dangerous Roads in America

The 50 Most Dangerous Roads in America

America is a country of roads. Every state has its own highway system, while nationally there is the interstate and numbered highway system. All in all, there are 2.7 million miles of road in the U.S.– enough to go around the Earth 107.2 times! Not every road has a great safety record though. Some are simply more dangerous than others. In this study we explored the 50 most dangerous roads in America. We go into how often a fatal accident occurs, and what makes these roads dangerous.

most dangerous roads in america


Top Five Most Dangerous Roads in the U.S.

  • State Route 99 (California)

    62.3 Fatal Accidents per 100 Miles

    Deadliest City: Fresno (34 fatal accidents)

  • I-45 (Texas)

    56.5 Fatal Accidents per 100 Miles

    Deadliest City: Houston (51 fatal accidents)

  • I-95 (Florida to Maine)

    55.1 Fatal Accidents per 100 Miles

    Deadliest City: Jacksonville (63 fatal accidents)

  • I-10 (California to Florida)

    54.5 Fatal Accidents per 100 Miles

    Deadliest City: New Orleans (89 fatal accidents)

  • I-75 (Florida to Michigan)

    47.2 Fatal Accidents per 100 Miles

    Deadliest City: Detroit (38 fatal accidents)

California Route 99, despite being a relatively shorter highway, had the most fatal accidents per 100 miles of any highway in the nation. The state route which cuts up the center of California had a total of 264 fatal accidents between the years 2011 and 2015. In second place, I-45 in Texas was another short highway, that also had a relative high amount of fatalities. The most major of the five is I-10, a trans-continental that runs from Florida to California. Based on total number of fatal accidents, I-10 has the most at 1,342 in the five years we looked at.

most dangerous roads in america


How Highways Rank for Different Types of Dangers

What makes these highways dangerous? We looked at three factors that contribute often to crashes: weather, lighting and drunk driving, and evaluated which highways were the most dangerous by category. The tables below have the five worst in each category, ranked based on the number of fatal accidents per 100 miles.

Rainiest and Snowiest Highways

Looking at FARS data from 2011 to 2015, we figured out which highways had the most fatal accidents that occurred in either rain or snow. I-85, which runs from the south up through Virginia, had the highest frequency of fatal accidents in inclement weather. 6.1 fatal accidents occurred under wet conditions per 100 miles in the years we looked at.

The Rainiest and Snowiest Highways

RankHighwayFatal Accidents per 100 MilesFatal Accidents in Rain or Snow
1I-85 (AL to VA)6.141
2I-95 (FL to ME)5.7109
3I-75 (FL to MI)5.394
4I-20 (TX to SC)4.773
5I-77 (SC to OH)4.427

Darkest Highways

Next, we looked at the number of fatal accidents that happened in dark areas, without lighting available. These highways were mostly found in the south and the west, the darkest being the SR-99 in California. On the 500 mile highway, every 100 miles had about 26 accidents that happened in the dark. In fact, nearly 40% of all fatal accidents on SR-99 in the last five years have occurred in the dark.

Darkest Highways

RankHighwayFatal Accidents per 100 MilesTotal Fatal Accidents in Dark
1SR-99 (CA)25.5108
2I-10 (CA to FL)19.2472
3I-45 (TX)18.954
4I-85 (AL to VA)17.3116
5I-20 (TX to SC)16.2249

Highways with Most Drunk Drivers

Finally, we looked at which highways had the highest frequency of an accident involving a drunk driver. Solidifying its spot as one of America’s most dangerous highway was I-45 where we found nearly 18 fatal drunk driving accidents for every 100 miles between the years of 2011 and 2015.

Highways With Most Drunk Drivers

RankHighwayFatal Accidents per 100 MilesTotal Fatal Accidents with Drunk Driver
1I-45 (TX)17.550
2SR-99 (CA)16.972
3I-95 (FL to ME)13.8266
4I-10 (CA to FL)12.6310
5US-17 (FL to VA)10.9130

most dangerous roads in america


The 50 Most Dangerous Highways in America

RankHighwayLength of Road (mi)Total Fatal AccidentsDeaths per 100 Miles
1SR-99 California42426462.3
2I-4528516156.5
3I-951,9261,06155.1
4I-102,4601,34254.5
5I-751,78684447.2
6I-8566931547.1
7I-51,38160743.9
8I-201,53966243.0
9US-171,18946138.8
10I-351,56858337.2
11I-84 East2328536.6
12I-6588732436.5
13US-12,37778232.9
14I-151,43447032.8
15I-402,55580131.3
16SR-1 California65518928.9
17I-7761017328.4
18US-1011,51940826.9
19I-702,15356226.1
20I-5596424925.8
21I-251,06327125.5
22I-6495423825.0
23US-271,36431623.2
24US-191,38632023.1
25US-3011,11125523.0
26I-4463414322.6
27I-802,90065322.5
28US-412,00643621.7
29US-901,63334220.9
30I-941,58531920.1
31US-9893918820.0
32US-602,67044316.6
33I-84 West76912215.9
34US-591,91129215.3
35US-291,03615014.5
36US-503,01141913.9
37US-611,40017512.5
38US-44193611612.4
39US-22,11223411.1
40US-691,13612410.9
41US-402,29824610.7
42US-522,07221910.6
43US-702,3852359.9
44I-903,0212959.8
45US-622,2482199.7
46US-63,2072668.3
47US-303,0732538.2
48US-203,2372668.2
49US-642,3261878.0
50US-122,4831767.1

Methodology

To find how dangerous each highway was, we looked at the FARS (Fatality Analysis Reporting System) of the National Traffic and Highway Safety Administration. We took their “Accident” data from 2011 until 2015 and used it to count the number of accidents that occurred on every highway in the U.S. between those years. We then took the number of occurrences and the length of the 50 highways with the most fatal accidents to determine how how often a fatality occurred. We used the same data set to determine the number of fatal accidents that happened in rain or snow, darkness and with a drunk driver. Since these highways go over several states, it was difficult to find the average ridership for each highway, so we use the length of the highway as a surrogate.

most dangerous roads in america



Source: The 50 Most Dangerous Roads in America