Flower Hill, MD truck route planning & crash data
Plan safer truck routes in Flower Hill: commercial truck and garbage truck crashes in Flower Hill and Montgomery County, dangerous roads, seasonality and route safety data for fleets. Patterns use Montgomery County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
2.2 deaths per 100 garbage-truck crashes vs 1.0 for all trucks.
Deadliest roads
How Montgomery County compares with Maryland
Montgomery County against Maryland and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Montgomery County stands out
Full comparison
| Measure (2015–2025) | Montgomery County | Maryland | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 31.8 | 49.3 | 49.7 | 35% below the state |
| Deaths per 100 crashes | 1.0 | 2.2 | 3.4 | 55% below the state |
| Injuries per crash | 0.53 | 0.53 | 0.49 | same |
| Garbage-truck share | 4.8% | 3.1% | 2.3% | 1.6× the state |
| On snow, slush or ice | 1.9% | 2.4% | 6.2% | 19% below the state |
| Morning rush (6–10 am) | 26.3% | 24.7% | 23.7% | same |
| In rain, sleet or snow | 15.9% | 13.8% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 40.1% | 40.4% | 41.9% | same |
| After dark | 24.9% | 25.2% | 24.8% | same |
Montgomery County has lower values than Maryland for crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. It runs above Maryland on garbage-truck share and in rain, sleet or snow.
What stands out in Montgomery County: 1 in 21 garbage-truck share of crashes is 4.8%, against 3.1% for Maryland.
Overview
Montgomery County has recorded 3,957 truck crashes since 2015, with 2,079 people injured and 38 killed.
That averages about 1 truck crash a day in fully reported years.
Only 1 truck crash was reported in Flower Hill since 2015; patterns below come from Montgomery County as a whole.
87% of truck crash reports in Montgomery County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
December has the most truck crashes, 9.6% of the yearly total, while February has the fewest (6.8%).
November through March accounts for 40.1% of truck crashes here, compared with 40.4% in Maryland.
The busiest hour is 8–9 am, with 8.4% of truck crashes.
Road surface: 1.9% of truck crashes were on snow, slush or ice (Maryland: 2.4%).
Where crashes happen
The deadliest road for trucks within 10 miles of Flower Hill is I-270, with 4 fatal large-truck crashes since 2015. Next come SR-355 (2), Ashbury Dr (1) and CR-212 Shady Grove Rd (1).
Garbage & waste trucks
190 crashes involved a garbage or refuse truck, a 4.8% share (Maryland: 3.1%).
Their busiest month is September, with 12% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 2.2, vs 1.0 for all truck crashes.
Route planning tips for Flower Hill fleets
- Build extra time into December routes: it has the most truck crashes here.
- Look at alternatives to I-270 at busy times: it leads this area in fatal truck crashes.
- Waste haulers: September is the peak month for garbage-truck crashes in Montgomery County.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Montgomery County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-270 | 4 |
| SR-355 | 2 |
| Ashbury Dr | 1 |
| CR-212 Shady Grove Rd | 1 |
| CR-3283 | 1 |
| CR-4139 Wightman Rd | 1 |
| I-97 | 1 |
| Mu-140 | 1 |
| SR-190 | 1 |
| SR-200 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Montgomery County) |
|---|---|
| Capital Beltway | 851 |
| Eisenhower Memorial Hwy | 456 |
| Georgia Ave | 92 |
| Shady Grove Rd | 83 |
| Frederick Rd | 82 |
| Acrs Marked Off Road | 75 |
| New Hampshire Ave | 72 |
| Rockville Pike | 55 |
Flower Hill at a glance
| Land area | 2.1 sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Montgomery County since the 1990s
Combines the FMCSA crash file (all reported truck crashes, real coverage from about 1990) with NHTSA FARS (fatal crashes involving a large truck, 1982–2024).
| Decade | Truck crashes / yr | Change | Fatal crashes / yr (FARS) |
|---|---|---|---|
| 1990s | 177 | — | 3.7 |
| 2000s | 206 | +17% | 3.6 |
| 2010s | 262 | +27% | 2.6 |
| 2020s | 354 | +35% | 3.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 177 to 354. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 2.0 a year in 2016–19, 3.0 a year in 2020–24.
Nearby places
Questions fleets ask about Flower Hill
How common are truck crashes in Flower Hill?
Since 2015, 3,957 crashes involving commercial trucks were reported in Montgomery County (2,079 injured, 38 killed).
Where do fatal truck crashes happen most in Flower Hill?
Since 2015, I-270 has had the most fatal large-truck crashes within 10 miles of Flower Hill: 4.
When do most truck crashes happen in Flower Hill?
Truck crashes in Montgomery County peak in December, with 9.6% of the year's crashes.
Are garbage truck crashes common in Flower Hill?
190 crashes involving garbage or refuse trucks have been reported in Montgomery County since 2015, 4.8% of all truck crashes.
What is the truck crash rate in Flower Hill compared with Maryland?
Per 100,000 residents, Montgomery County has 31.8 truck crashes a year; Maryland has 49.3.
How can I plan a safer truck route in Flower Hill?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.