ZIP 20832 (Olney, MD) truck route planning & crash data
Plan safer truck routes around ZIP 20832: 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 |
Montgomery County has lower values than Maryland for 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
Police reported 3,957 crashes involving commercial trucks in Montgomery County since 2015: 2,079 people were injured and 38 were killed.
That averages about 1 truck crash a day in fully reported years.
When crashes happen
Truck crashes peak in December (9.6% of the year) and are lowest in February (6.8%).
The five winter months (November to March) hold 40.1% of truck crashes, against 40.4% across 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
Fatal large-truck crashes within 10 miles of ZIP 20832 since 2015 were spread across roads: I-270 (3), I-495 (3), SR-200 (2), SR-32 (2) and SR-355 (2).
Garbage & waste trucks
Garbage and refuse trucks were involved in 190 crashes, 4.8% of the total, against 3.1% across Maryland.
Their busiest month is September, with 12% of garbage-truck crashes.
They recorded 2.2 deaths per 100 crashes, against 1.0 for all trucks.
Route planning tips for ZIP 20832 fleets
- Review driver schedules for December, the month with the most truck crashes.
- 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-270 | 3 |
| I-495 | 3 |
| SR-200 | 2 |
| SR-32 | 2 |
| SR-355 | 2 |
| Ashbury Dr | 1 |
| CR-124 Arcola Ave | 1 |
| CR-212 Shady Grove Rd | 1 |
| CR-3283 | 1 |
| CR-4139 Wightman Rd | 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 20832 at a glance
| Population | 25,553 |
| Density | 1,027 per sq mi |
| Median household income | $168,524 |
| Median home value | $628,128 |
| Home ownership | 87% |
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 ZIP codes
Questions fleets ask about ZIP 20832
How many truck accidents are there in ZIP 20832?
Montgomery County has had 3,957 reported truck crashes since 2015, injuring 2,079 people and killing 38.
Which month has the most truck crashes in ZIP 20832?
Truck crashes in Montgomery County peak in December, with 9.6% of the year's crashes.
How many garbage truck crashes are there in ZIP 20832?
Garbage trucks were involved in 190 reported crashes in Montgomery County since 2015 (4.8% of truck crashes).
How do truck crashes in ZIP 20832 compare with Maryland?
Montgomery County records 31.8 truck crashes per 100,000 residents a year, against 49.3 across Maryland.
How can I plan a safer truck route in ZIP 20832?
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.