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Interstate 70
Fatal crashes 2015–2024 109Deaths 114Counties 5Latest 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 70 in Maryland was the trafficway in 109 fatal crashes between 2015 and 2024, in which 114 people died.
That is 2.1% of the 5,195 fatal crashes in Maryland over the same years. The ten-year crash count rose 20% from 91 in 2005–2014 to 109 in 2015–2024.
The crashes were concentrated in Frederick County (37), Washington County (35) and Howard County (26) and 2 other counties.
16.5% of the crashes had a driver reported as drinking (Maryland: 27.9%) and 21.1% had a speeding-related driver (26.2%); pedestrians were 18.4% and motorcyclists 9.6% 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 Maryland
| Measure | Interstate 70 | Maryland |
|---|---|---|
| Fatal crashes, 2015–2024 | 109 | 5,195 |
| Deaths, 2015–2024 | 114 | 5,548 |
| Deaths per fatal crash | 1.0 | 1.1 |
| Share of state fatal crashes | 2.1% | 100% |
| Change vs previous ten years | +20% | +4% |
Factor shares
Counties along the route
| # | County | Fatal crashes on I-70 | Share of route | County total, all roads |
|---|---|---|---|---|
| 1 | Frederick County | 37 | 34% | 229 |
| 2 | Washington County | 35 | 32% | 153 |
| 3 | Howard County | 26 | 24% | 225 |
| 4 | Baltimore County | 7 | 6% | 675 |
| 5 | Carroll County | 4 | 4% | 134 |
Hour of day
Share of fatal crashes on Interstate 70 beginning in each hour, 2015–2024; tick marks the Maryland share for all roads.
Where along the route
| Mile marker range | Fatal crashes | Share |
|---|---|---|
| Mile 0–5 | 21 | 19% |
| Mile 10–15 | 19 | 17% |
| Mile 5–10 | 13 | 12% |
| Mile 20–25 | 13 | 12% |
| Mile 15–20 | 10 | 9% |
| Mile 25–30 | 10 | 9% |
Five-mile bins by FARS milepoint, the six with the most fatal crashes; 93.6% 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 Maryland
- Interstate 95 234
- US Route 40 166
- US Route 1 145
- US Route 301 127
- US Route 50 110
- State Route 5 108
- State Route 295 85
- State Route 2 80
- Interstate 695 79
- State Route 4 72
- State Route 140 59
- State Route 26 58
All routes and counties in Maryland
Questions and answers
How many fatal crashes have there been on Interstate 70 in Maryland?
109 fatal crashes with 114 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 70 had the most fatal crashes?
Frederick County (37), Washington County (35), Howard County (26), Baltimore County (7) and Carroll County (4).
What share of crashes on Interstate 70 involved alcohol or speeding?
16.5% had a driver reported as drinking and 21.1% a speeding-related driver, against 27.9% and 26.2% for all fatal crashes in Maryland.
When do fatal crashes happen on Interstate 70?
55.0% 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.