ZIP 20904 (Silver Spring, MD) truck route planning & crash data
Plan safer truck routes around ZIP 20904: commercial truck and garbage truck crashes here and in Montgomery County, dangerous roads, seasonality and route safety data for fleets.
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 |
Compared with Maryland, Montgomery County is lower 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.
What stands out in Montgomery County: 1 in 21 crashes involve a garbage truck (190 since 2015), vs 3.1% across Maryland.
Overview
Since 2015, 3,957 crashes involving commercial trucks have been reported in Montgomery County. They injured 2,079 people and killed 38.
Across the years with complete reporting, that is roughly 1 truck crash every day.
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.
1.9% of truck crashes here happened on snow, slush or ice, against 2.4% across Maryland.
Where crashes happen
I-95 leads within 10 miles of ZIP 20904 with 21 fatal crashes involving a large truck since 2015. It is followed by I-495 (5), US-1 (4) and SR-193 (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%).
Per 100 crashes, garbage trucks recorded 2.2 deaths compared with 1.0 for all trucks.
Route planning tips for ZIP 20904 fleets
- Plan December schedules with more margin; it is the worst month for truck crashes in Montgomery County.
- Where you can, review stops along I-95; it has the most fatal large-truck crashes nearby.
- Garbage-truck crashes here peak in September; review collection routes for that month.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 | 21 |
| I-495 | 5 |
| US-1 | 4 |
| SR-193 | 2 |
| SR-410 | 2 |
| CR-124 Arcola Ave | 1 |
| CR-2362 | 1 |
| CR-3434 | 1 |
| CR-38 | 1 |
| CR-4359 | 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 |
ZIP 20904 at a glance
| Population | 58,646 |
| Density | 1,649 per sq mi |
| Median household income | $96,025 |
| Median home value | $559,157 |
| Home ownership | 49% |
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 |
Reported truck crashes averaged 177 a year in the 1990s and 354 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 2.0 fatal large-truck crashes a year in 2016–19 and 3.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 20904
How many truck crashes happen in ZIP 20904?
3,957 truck crashes have been reported in Montgomery County since 2015, with 38 deaths and 2,079 injuries.
Where do fatal truck crashes happen most in ZIP 20904?
NHTSA data shows I-95 with 21 fatal large-truck crashes within 10 miles of ZIP 20904 since 2015, the highest of any road.
What is the worst month for truck crashes in ZIP 20904?
The worst month is December: 9.6% of truck crashes in Montgomery County happen then.
How many garbage truck accidents happen in ZIP 20904?
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 ZIP 20904 compared with Maryland?
Per 100,000 residents, Montgomery County has 31.8 truck crashes a year; Maryland has 49.3.
What is the best way to plan truck routes in ZIP 20904?
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.