Fatal Crash Data

The deadliest roads in Arizona

I-10 had the most fatal crashes of any numbered road in Arizona from 2015 to 2024: 519, with 619 deaths. The 60 roads listed held 35% of all fatal crashes in Arizona from 2015 to 2024; 6 are interstates, 11 US routes, 43 state highways.

104 numbered roads in Arizona recorded a fatal crash in those years; the 60 with 5 or more are ranked below, and 21 have a page of their own. All fatal crashes in Arizona.

Every numbered road in Arizona, ranked by fatal crashes

RoadKindFatal crashesDeaths2022 to 2024Counties with the most
1I-10Interstate519619188Maricopa, Pima, Pinal
2US 60US route283312100Maricopa, Pinal, Gila
3I-40Interstate24929984Coconino, Mohave, Navajo
4I-17Interstate22124777Maricopa, Yavapai, Coconino
5State Highway 87State highway17820250Maricopa, Gila, Pinal
6State Highway 101State highway14014741Maricopa
7US 93US route12816651Mohave, Yavapai, Maricopa
8State Highway 95State highway11413640Mohave, La Paz, Yavapai
9State Highway 202State highway10712050Maricopa
10State Highway 260State highway10111234Navajo, Yavapai, Gila
11US 191US route859519Apache, Graham, Cochise
12I-8Interstate778419Yuma, Maricopa, Pinal
13State Highway 77State highway748720Pima, Navajo, Pinal
14State Highway 89State highway737828Yavapai, Coconino, Maricopa
15US 89US route678222Coconino
16US 160US route648219Coconino, Navajo, Apache
17US 70US route638217Graham, Gila, Greenlee
18I-19Interstate637415Pima, Santa Cruz
19State Highway 86State highway587121Pima
20US 95US route455017Yuma, La Paz
21State Highway 85State highway435419Maricopa, Pima
22State Highway 68State highway424412Mohave, Pima
23State Highway 347State highway384612Pinal, Maricopa
24State Highway 69State highway37399Yavapai
25State Highway 264State highway34456Apache, Navajo, Coconino
26State Highway 89AState highway34388Yavapai, Coconino
27State Highway 80State highway324211Cochise, Yavapai
28I-15Interstate29325Mohave
29State Highway 73State highway27296Navajo, Gila
30State Highway 66State highway263213Mohave, Coconino
31State Highway 303State highway263013Maricopa
32State Highway 88State highway252511Maricopa, Pinal
33State Highway 79State highway23339Pinal
34US 180US route22288Apache, Coconino, Navajo
35State Highway 92State highway21246Cochise
36State Highway 51State highway21238Maricopa
37State Highway 82State highway19258Santa Cruz, Cochise
38State Highway 90State highway19253Cochise
39State Highway 74State highway192210Maricopa
40State Highway 98State highway17215Coconino, Navajo
41State Highway 64State highway15217Coconino
42State Highway 72State highway15166La Paz
43State Highway 84State highway14178Pinal
44State Highway 377State highway13189Navajo
45State Highway 287State highway13154Pinal
46State Highway 177State highway13141Pinal, Gila
47State Highway 83State highway13143Pima, Santa Cruz
48State Highway 61State highway10145Apache
49State Highway 238State highway10132Maricopa, Pinal
50State Highway 19State highway10108Pima
51US 163US route9113Navajo
52State Highway 40BState highway892Coconino, Mohave, Yavapai
53State Highway 169State highway7101Yavapai
54State Highway 19BState highway793Pima, Santa Cruz, Maricopa
55State Highway 587State highway783Pinal
56State Highway 387State highway774Pinal
57State Highway 99State highway674Coconino, Navajo
58US 80US route664Maricopa, Yuma
59State Highway 179State highway573Yavapai
60US 89AUS route572Coconino

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 Arizona as CSV. Free to reuse with credit: “Fatal Crash Data, fatalcrashdata.com/deadliest-roads/arizona/, from NHTSA FARS (2024 Annual Report File).”

Interstates in Arizona per mile

Fatal crashes a year per 100 miles of road, 2015 to 2024, for interstates with 20 miles or more in Arizona. Crashes per mile of road, not per vehicle. Mileage from the FHWA Interstate route log.

RoadPer 100 miles a yearFatal crashesMiles
1I-1715.1221146
2I-1013.2519393
3I-199.96363
4I-406.9249359
5I-84.377179

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 Arizona

What is the deadliest road in Arizona?
I-10 had the most fatal crashes of any numbered road in Arizona from 2015 to 2024: 519, with 619 deaths. US 60 was second with 283 and I-40 third with 249. Source: NHTSA's Fatality Analysis Reporting System (FARS).
Which interstate in Arizona is the most dangerous per mile?
I-17, with 15.1 fatal crashes a year per 100 miles over 2015 to 2024 on 146 miles. That is crashes per mile of road, not per vehicle.
How many fatal crashes in Arizona happen on numbered roads?
3,546 of 9,968 fatal crashes in Arizona from 2015 to 2024 (36%) 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 Arizona 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 Arizona, 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.