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State Route 355
Fatal crashes 2015–2024 40Deaths 40Counties 2Latest 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.
State Route 355 in Maryland was the trafficway in 40 fatal crashes between 2015 and 2024, in which 40 people died.
That is 0.8% of the 5,195 fatal crashes in Maryland over the same years. The ten-year crash count rose 54% from 26 in 2005–2014 to 40 in 2015–2024.
The crashes were concentrated in Montgomery County (38) and Frederick County (2).
25.0% of the crashes had a driver reported as drinking (Maryland: 27.9%) and 12.5% had a speeding-related driver (26.2%); pedestrians were 45.0% and motorcyclists 20.0% 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 | State Route 355 | Maryland |
|---|---|---|
| Fatal crashes, 2015–2024 | 40 | 5,195 |
| Deaths, 2015–2024 | 40 | 5,548 |
| Deaths per fatal crash | 1.0 | 1.1 |
| Share of state fatal crashes | 0.8% | 100% |
| Change vs previous ten years | +54% | +4% |
Factor shares
Counties along the route
| # | County | Fatal crashes on SR-355 | Share of route | County total, all roads |
|---|---|---|---|---|
| 1 | Montgomery County | 38 | 95% | 403 |
| 2 | Frederick County | 2 | 5% | 229 |
Hour of day
Share of fatal crashes on State Route 355 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 5–10 | 10 | 25% |
| Mile 0–5 | 8 | 20% |
| Mile 15–20 | 7 | 18% |
| Mile 10–15 | 6 | 15% |
| Mile 20–25 | 3 | 8% |
| Mile 30–35 | 1 | 3% |
Five-mile bins by FARS milepoint, the six with the most fatal crashes; 87.5% 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
- Interstate 70 109
- State Route 5 108
- State Route 295 85
- State Route 2 80
- Interstate 695 79
- State Route 4 72
- State Route 140 59
All routes and counties in Maryland
Questions and answers
How many fatal crashes have there been on State Route 355 in Maryland?
40 fatal crashes with 40 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 State Route 355 had the most fatal crashes?
Montgomery County (38) and Frederick County (2).
What share of crashes on State Route 355 involved alcohol or speeding?
25.0% had a driver reported as drinking and 12.5% a speeding-related driver, against 27.9% and 26.2% for all fatal crashes in Maryland.
When do fatal crashes happen on State Route 355?
67.5% 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.