Four Corners, MD truck route planning & crash data
Plan safer truck routes in Four Corners: commercial truck and garbage truck crashes in Four Corners 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 sits below Maryland on 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.
Montgomery County at a glance: 1 in 21 crashes involve a garbage truck (190 since 2015), vs 3.1% across Maryland.
Overview
Montgomery County has recorded 3,957 truck crashes since 2015, with 2,079 people injured and 38 killed.
Across the years with complete reporting, that is roughly 1 truck crash every day.
Four Corners had 5 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Montgomery County numbers.
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
The worst month is December with 9.6% of truck crashes; the quietest is February at 6.8%.
November through March accounts for 40.1% of truck crashes here, compared with 40.4% in Maryland.
More truck crashes happen at 8–9 am than at any other hour (8.4%).
Snow, slush or ice was on the road in 1.9% of truck crashes, compared with 2.4% in Maryland.
Where crashes happen
Within this area, I-95 had the most fatal crashes involving a large truck since 2015 (17). Next come I-495 (7), US-50 (3) and SR-190 (2).
Garbage & waste trucks
Garbage trucks account for 190 of the truck crashes here, or 4.8%, compared with 3.1% in Maryland.
The most garbage-truck crashes happen in September (12%).
They recorded 2.2 deaths per 100 crashes, against 1.0 for all trucks.
Route planning tips for Four Corners fleets
- Build extra time into December routes: it has the most truck crashes here.
- Look at alternatives to I-95 at busy times: it leads this area in fatal truck crashes.
- Garbage-truck crashes here peak in September; review collection routes for that month.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
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-95 | 17 |
| I-495 | 7 |
| US-50 | 3 |
| SR-190 | 2 |
| SR-193 | 2 |
| SR-201 | 2 |
| SR-410 | 2 |
| US-1 | 2 |
| 21st St Nw | 1 |
| 7th St Nw | 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 |
Four Corners at a glance
| Land area | 1.5 sq mi |
| Median household income (ZIP 20901) | $131,386 |
| Median home value (ZIP 20901) | $589,011 |
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 Four Corners
How many truck crashes happen in Four Corners?
Montgomery County has had 3,957 reported truck crashes since 2015, injuring 2,079 people and killing 38.
Where do fatal truck crashes happen most in Four Corners?
I-95 had 17 fatal crashes involving a large truck within 10 miles of Four Corners since 2015, more than any other road.
When do most truck crashes happen in Four Corners?
Truck crashes in Montgomery County peak in December, with 9.6% of the year's crashes.
How many garbage truck crashes are there in Four Corners?
190 crashes involving garbage or refuse trucks have been reported in Montgomery County since 2015, 4.8% of all truck crashes.
How does Four Corners compare with Maryland for truck crashes?
Per 100,000 residents, Montgomery County has 31.8 truck crashes a year; Maryland has 49.3.
How do I plan a garbage truck route in Four Corners?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.