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Interstate 40
Fatal crashes 2015–2024 588Deaths 670Counties 24Latest data year 2024
FARS data are based on police crash reports and other sources; the drunk-driving measure is based on the highest BAC of any driver in the crash. Latest data year: 2024. The route is the trafficway recorded for each crash (FARS TWAY_ID); the same route number in another state has its own page.
Interstate 40 in Tennessee was the trafficway in 588 fatal crashes between 2015 and 2024, in which 670 people died.
That is 5.5% of the 10,680 fatal crashes in Tennessee over the same years. The ten-year crash count rose 21% from 485 in 2005–2014 to 588 in 2015–2024.
The crashes were concentrated in Shelby County (91), Knox County (75) and Davidson County (62) and 21 other counties.
21.6% of the crashes had a driver reported as drinking (Tennessee: 24.5%) and 11.1% had a speeding-related driver (16.5%); pedestrians were 13.7% and motorcyclists 8.2% of those killed.
Fatal crashes per year
Route identification in FARS is consistent from 2000; earlier years are not shown. Shaded band: the ten-year window used for the shares below.
Compared with all fatal crashes in Tennessee
| Measure | Interstate 40 | Tennessee |
|---|---|---|
| Fatal crashes, 2015–2024 | 588 | 10,680 |
| Deaths, 2015–2024 | 670 | 11,576 |
| Deaths per fatal crash | 1.1 | 1.1 |
| Share of state fatal crashes | 5.5% | 100% |
| Change vs previous ten years | +21% | +8% |
Factor shares
Counties along the route
| # | County | Fatal crashes on I-40 | Share of route | County total, all roads |
|---|---|---|---|---|
| 1 | Shelby County | 91 | 15% | 1,755 |
| 2 | Knox County | 75 | 13% | 611 |
| 3 | Davidson County | 62 | 11% | 981 |
| 4 | Wilson County | 45 | 8% | 196 |
| 5 | Cumberland County | 31 | 5% | 133 |
| 6 | Putnam County | 29 | 5% | 121 |
| 7 | Madison County | 27 | 5% | 164 |
| 8 | Haywood County | 24 | 4% | 71 |
| 9 | Fayette County | 21 | 4% | 78 |
| 10 | Hickman County | 19 | 3% | 76 |
| 11 | Smith County | 19 | 3% | 48 |
| 12 | Henderson County | 18 | 3% | 91 |
| 13 | Humphreys County | 18 | 3% | 61 |
| 14 | Cocke County | 17 | 3% | 86 |
| 15 | Dickson County | 17 | 3% | 118 |
| 16 | Jefferson County | 17 | 3% | 79 |
| 17 | Roane County | 15 | 3% | 98 |
| 18 | Cheatham County | 11 | 2% | 77 |
| 19 | Sevier County | 10 | 2% | 159 |
| 20 | Loudon County | 8 | 1% | 90 |
| 21 | Decatur County | 6 | 1% | 32 |
| 22 | Benton County | 5 | 1% | 35 |
| 23 | Williamson County | 2 | 0% | 151 |
| 24 | Carroll County | 1 | 0% | 47 |
Hour of day
Share of fatal crashes on Interstate 40 beginning in each hour, 2015–2024; tick marks the Tennessee share for all roads.
Where along the route
| Mile marker range | Fatal crashes | Share |
|---|---|---|
| Mile 0–5 | 142 | 24% |
| Mile 15–20 | 110 | 19% |
| Mile 5–10 | 109 | 19% |
| Mile 10–15 | 101 | 17% |
| Mile 20–25 | 63 | 11% |
| Mile 25–30 | 35 | 6% |
Five-mile bins by FARS milepoint, the six with the most fatal crashes; 99.7% of crashes on the route have a milepoint. Milepoints are as recorded by the state and can restart at county or district lines.
Other routes in Tennessee
- Interstate 24 320
- US Route 70 214
- US Route 64 168
- Interstate 75 165
- US Route 41 157
- Interstate 65 148
- US Route 51 137
- US Route 11 112
- US Route 41A 98
- Interstate 240 95
- US Route 11E 95
- State Route 175 90
All routes and counties in Tennessee
Questions and answers
How many fatal crashes have there been on Interstate 40 in Tennessee?
588 fatal crashes with 670 deaths over 2015–2024, per NHTSA's FARS. The route is the trafficway recorded for the crash; the same numbered route in another state has its own page.
Which counties along Interstate 40 had the most fatal crashes?
Shelby County (91), Knox County (75), Davidson County (62), Wilson County (45) and Cumberland County (31).
What share of crashes on Interstate 40 involved alcohol or speeding?
21.6% had a driver reported as drinking and 11.1% a speeding-related driver, against 24.5% and 16.5% for all fatal crashes in Tennessee.
When do fatal crashes happen on Interstate 40?
54.6% of the crashes were between 6pm and 6am. The hour chart on this page shows the full distribution.
Provenance
Source: NHTSA Fatality Analysis Reporting System, annual national CSV files 2000–2024 (accident, vehicle and person tables), public domain. Route pages are built for signed Interstate, US and state routes with at least 20 fatal crashes in 2015–2024. Data through 31 Dec 2024; generated 30 Sep 2026. See methodology and corrections.