ZIP 20815 (Chevy Chase, MD) truck route planning & crash data
Plan safer truck routes around ZIP 20815: 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. Where it is higher: 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
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
The worst month is December with 9.6% of truck crashes; the quietest is February at 6.8%.
The five winter months (November to March) hold 40.1% of truck crashes, against 40.4% across Maryland.
More truck crashes happen at 8–9 am than at any other hour (8.4%).
1.9% of truck crashes here happened on snow, slush or ice, against 2.4% across Maryland.
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 20815 is I-495, with 10 fatal large-truck crashes since 2015. After it: I-95 (9), SR-190 (2) 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%).
Deaths per 100 garbage-truck crashes: 2.2, vs 1.0 for all truck crashes.
Route planning tips for ZIP 20815 fleets
- Build extra time into December routes: it has the most truck crashes here.
- Where you can, review stops along I-495; it has the most fatal large-truck crashes nearby.
- 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
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
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-495 | 10 |
| I-95 | 9 |
| SR-190 | 2 |
| SR-193 | 2 |
| SR-201 | 2 |
| SR-410 | 2 |
| 21st St Nw | 1 |
| 7th St Nw | 1 |
| Benning Rd Se | 1 |
| Bladensburg Rd Ne | 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 20815 at a glance
| Population | 30,505 |
| Density | 2,187 per sq mi |
| Median household income | $194,971 |
| Median home value | $1,299,602 |
| Home ownership | 66% |
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. Fatal large-truck crashes: 2.0 a year in 2016–19, 3.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 20815
How many truck crashes happen in ZIP 20815?
Montgomery County has had 3,957 reported truck crashes since 2015, injuring 2,079 people and killing 38.
Which road has the most fatal truck crashes in ZIP 20815?
Since 2015, I-495 has had the most fatal large-truck crashes within 10 miles of ZIP 20815: 10.
When do most truck crashes happen in ZIP 20815?
Truck crashes in Montgomery County peak in December, with 9.6% of the year's crashes.
How many garbage truck accidents happen in ZIP 20815?
Garbage trucks were involved in 190 reported crashes in Montgomery County since 2015 (4.8% of truck crashes).
How does ZIP 20815 compare with Maryland for truck crashes?
The yearly rate is 31.8 truck crashes per 100,000 residents in Montgomery County, vs 49.3 for Maryland.
How do I plan a garbage truck route in ZIP 20815?
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.