What is the deadliest interstate in America?

I-10, with 3,274 fatal crashes and 3,697 deaths from 2015 to 2024 across the 8 states it runs through, counted from NHTSA FARS. I-95 was second with 2,778.

Which interstate has the most fatal crashes per mile?

I-35E in Texas: 33.1 fatal crashes a year per 100 miles from 2015 to 2024, on 97 miles. Per mile of road, not per vehicle: FARS records crashes, not traffic. Mileage from the FHWA Interstate route log.

What is the deadliest road within one state?

US 1 in Florida, with 1,221 fatal crashes and 1,286 deaths from 2015 to 2024. Roads in this ranking are counted state by state, so an interstate appears once per state it crosses.

Deadliest interstates in America: most dangerous US highways

The deadliest interstates in America, 2015 to 2024

Every interstate with 100 or more fatal crashes, counted across all the states it crosses. I-10 and I-95 together had 6,052. Each name opens the interstate's page, its states side by side.

	Interstate	Fatal crashes	Deaths	2024	States	A year per 100 miles
1	I-10	3,274	3,697	307	8	13.3
2	I-95	2,778	3,119	271	15	14.6
3	I-40	2,208	2,558	240	8	8.7
4	I-75	2,062	2,341	202	6	11.6
5	I-20	1,789	2,026	161	6	12.7
6	I-80	1,774	2,021	148	11	6.1
7	I-5	1,745	1,977	194	3	12.6
8	I-70	1,354	1,522	132	10	6.6
9	I-35	1,241	1,387	110	6	8.3
10	I-15	1,188	1,340	102	6	8.3
11	I-90	996	1,115	102	13	3.7
12	I-85	922	1,014	96	5	14.6
13	I-65	913	1,023	84	4	10.3
14	I-55	844	951	91	6	9.0
15	I-94	733	815	62	7	5.1
16	I-45	720	775	73	1	25.3
17	I-25	709	790	78	3	6.7
18	I-30	628	702	63	2	17.1
19	I-64	602	658	60	6	6.9
20	I-81	571	671	59	6	6.7
21	I-84	542	602	54	6	5.7
22	I-44	528	590	47	3	8.4
23	I-77	463	523	52	5	7.6
24	I-69	411	455	58	5	5.5
25	I-59	403	447	34	4	9.6
26	I-24	373	427	39	4	11.9
27	I-26	359	410	32	3	10.9
28	I-295	355	378	34	7	No data
29	I-35E	335	363	25	2	24.6
30	I-495	326	361	35	5	No data
31	I-4	314	340	20	1	23.8
32	I-76	299	338	25	4	4.8
33	I-49	275	316	37	3	5.0
34	I-71	274	310	21	2	8.4
35	I-8	270	294	23	2	7.7
36	I-285	240	259	19	2	No data
37	I-270	233	255	24	5	No data
38	I-405	232	253	22	2	No data
39	I-57	229	271	21	2	6.0
40	I-215	224	240	23	3	No data
41	I-17	221	247	24	1	15.1
42	I-275	200	219	9	5	No data
43	I-35W	194	219	19	2	15.3
44	I-635	191	206	13	2	No data
45	I-74	185	199	22	4	4.1
46	I-91	177	198	24	3	6.1
47	I-580	174	185	23	2	No data
48	I-29	174	197	13	4	2.3
49	I-79	165	184	11	2	4.9
50	I-96	159	182	13	1	8.5
51	I-93	154	160	12	2	8.7
52	I-87	147	164	24	2	4.2
53	I-110	146	161	26	4	No data
54	I-12	145	161	12	1	16.7
55	I-680	144	155	19	3	No data
56	I-37	142	158	13	1	9.9
57	I-280	141	150	14	4	No data
58	I-880	141	153	10	1	No data
59	I-78	138	157	14	2	9.5
60	I-435	134	143	10	2	No data
61	I-240	134	146	18	3	No data
62	I-410	121	124	12	1	No data
63	I-16	116	148	9	1	7.0
64	I-22	114	130	11	2	5.6
65	I-290	108	125	6	2	No data
66	I-605	105	115	11	1	No data
67	I-264	102	112	2	2	No data
68	I-210	101	115	6	2	No data
69	I-820	101	114	9	1	No data

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

Download every interstate in every state it crosses as CSV. Free to reuse with credit: “Fatal Crash Data, fatalcrashdata.com/deadliest-roads/, from NHTSA FARS (2024 Annual Report File).”

The deadliest interstates per mile, state by state

I-35E in Texas leads with 33.1 fatal crashes a year per 100 miles from 2015 to 2024. Interstates with 20 miles or more in the state. Crashes per mile of road, not per vehicle: FARS records crashes, not traffic. Mileage from the FHWA Interstate route log.

	Road	Fatal crashes a year per 100 miles	Fatal crashes, 2015 to 2024	Miles	State
1	I-35E in Texas	33.1	321	97	Texas
2	I-69 in Texas	27.3	226	83	Texas
3	I-94 in Illinois	25.9	154	60	Illinois
4	I-95 in Florida	25.7	983	382	Florida
5	I-45 in Texas	25.3	720	285	Texas
6	I-95 in Pennsylvania	24.6	102	42	Pennsylvania
7	I-4 in Florida	23.8	314	132	Florida
8	I-10 in California	23.1	556	241	California
9	I-15 in California	20.4	586	287	California
10	I-80 in California	19.9	404	203	California
11	I-91 in Connecticut	19.8	115	58	Connecticut
12	I-95 in Maryland	19.8	218	110	Maryland
13	I-14 in Texas	19.7	49	25	Texas
14	I-95 in New York	19.6	46	23	New York
15	I-30 in Texas	18.9	425	224	Texas
16	I-20 in Georgia	18.5	372	202	Georgia
17	I-85 in Georgia	18.5	318	172	Georgia
18	I-35 in Texas	18.5	753	407	Texas
19	I-35W in Texas	18.5	158	85	Texas
20	I-95 in New Jersey	17.4	155	89	New Jersey
21	I-75 in Georgia	17.2	610	355	Georgia
22	I-24 in Tennessee	17.2	307	178	Tennessee
23	I-12 in Louisiana	16.7	145	87	Louisiana
24	I-10 in Louisiana	16.5	452	275	Louisiana
25	I-75 in Florida	15.7	737	471	Florida
26	I-93 in Massachusetts	15.6	72	46	Massachusetts
27	I-95 in Virginia	15.4	274	178	Virginia
28	I-5 in California	15.2	1,214	797	California
29	I-80 in New Jersey	15.2	104	69	New Jersey
30	I-17 in Arizona	15.1	221	146	Arizona
31	I-85 in North Carolina	15.1	309	204	North Carolina
32	I-95 in Rhode Island	15.0	65	43	Rhode Island
33	I-77 in South Carolina	14.7	134	91	South Carolina
34	I-30 in Arkansas	14.2	203	143	Arkansas
35	I-10 in Alabama	14.1	93	66	Alabama
36	I-70 in Missouri	13.7	342	249	Missouri
37	I-95 in Connecticut	13.5	151	112	Connecticut
38	I-10 in Mississippi	13.5	105	78	Mississippi
39	I-20 in Texas	13.4	851	636	Texas
40	I-15 in Nevada	13.3	165	124	Nevada
41	I-10 in Arizona	13.2	519	393	Arizona
42	I-85 in South Carolina	13.2	140	106	South Carolina
43	I-26 in South Carolina	13.0	288	221	South Carolina
44	I-78 in New Jersey	12.8	87	68	New Jersey
45	I-H1 in Hawaii	12.5	34	27	Hawaii
46	I-40 in Tennessee	12.3	561	455	Tennessee
47	I-5 in Washington	12.3	339	277	Washington
48	I-10 in Texas	12.2	1,071	879	Texas
49	I-85 in Alabama	12.1	97	80	Alabama
50	I-84 in Connecticut	12.1	118	98	Connecticut

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

The 50 deadliest highways within one state, 2015 to 2024

US 1 in Florida leads with 1,221 fatal crashes. Counted within a state: an interstate that crosses several states appears once per state.

	Road	Fatal crashes	Deaths	2022 to 2024	State
1	US 1 in Florida	1,221	1,286	378	Florida
2	I-5 in California	1,214	1,396	371	California
3	I-10 in Texas	1,071	1,189	311	Texas
4	I-95 in Florida	983	1,101	309	Florida
5	US 101 in California	956	1,029	298	California
6	US 41 in Florida	921	977	273	Florida
7	I-20 in Texas	851	980	216	Texas
8	I-35 in Texas	753	841	221	Texas
9	I-75 in Florida	737	834	214	Florida
10	I-45 in Texas	720	775	231	Texas
11	State Highway 99 in California	694	781	227	California
12	US 27 in Florida	669	747	211	Florida
13	US 19 in Florida	624	659	167	Florida
14	I-75 in Georgia	610	689	193	Georgia
15	US 441 in Florida	595	654	184	Florida
16	I-15 in California	586	663	187	California
17	I-40 in Tennessee	561	642	173	Tennessee
18	I-10 in California	556	622	198	California
19	I-10 in Arizona	519	619	188	Arizona
20	US 17 in Florida	517	561	153	Florida
21	US 98 in Florida	514	568	138	Florida
22	State Highway 1 in California	491	541	172	California
23	I-10 in Louisiana	452	489	139	Louisiana
24	US 90 in Florida	445	475	123	Florida
25	I-65 in Alabama	432	491	123	Alabama
26	I-30 in Texas	425	478	120	Texas
27	US 17 in South Carolina	418	452	112	South Carolina
28	US 59 in Texas	412	497	109	Texas
29	I-80 in California	404	454	112	California
30	US 301 in Florida	401	430	127	Florida
31	I-10 in Florida	383	436	112	Florida
32	I-20 in Georgia	372	412	126	Georgia
33	I-40 in New Mexico	361	427	128	New Mexico
34	I-70 in Missouri	342	369	107	Missouri
35	I-5 in Washington	339	370	108	Washington
36	I-40 in North Carolina	338	377	110	North Carolina
37	I-25 in Colorado	331	367	105	Colorado
38	State Highway 60 in Florida	324	360	79	Florida
39	I-35E in Texas	321	349	103	Texas
40	I-85 in Georgia	318	347	88	Georgia
41	I-4 in Florida	314	340	85	Florida
42	I-85 in North Carolina	309	337	106	North Carolina
43	US 287 in Texas	307	364	113	Texas
44	I-24 in Tennessee	307	350	96	Tennessee
45	US 281 in Texas	296	356	89	Texas
46	US 70 in North Carolina	296	311	113	North Carolina
47	I-25 in New Mexico	295	334	107	New Mexico
48	I-55 in Mississippi	290	333	90	Mississippi
49	US 90 in Louisiana	290	308	105	Louisiana
50	I-26 in South Carolina	288	332	70	South Carolina

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

Questions about the deadliest interstates in America

What is the deadliest interstate in America?: I-10, with 3,274 fatal crashes and 3,697 deaths from 2015 to 2024 across the 8 states it runs through, counted from NHTSA FARS. I-95 was second with 2,778.
Which interstate has the most fatal crashes per mile?: I-35E in Texas: 33.1 fatal crashes a year per 100 miles from 2015 to 2024, on 97 miles. Per mile of road, not per vehicle: FARS records crashes, not traffic. Mileage from the FHWA Interstate route log.
What is the deadliest road within one state?: US 1 in Florida, with 1,221 fatal crashes and 1,286 deaths from 2015 to 2024. Roads in this ranking are counted state by state, so an interstate appears once per state it crosses.