Cabin John, MD truck route planning & crash data
Plan safer truck routes in Cabin John: commercial truck and garbage truck crashes in Cabin John 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 |
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.
What stands out in Cabin John: 1.7× fatal truck crashes within 10 miles of Cabin John per year, 2020–24 vs 2016–19 (5.2 vs 3.0).
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.
Only 9 truck crashes were reported in Cabin John 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
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.
More truck crashes happen at 8–9 am than at any other hour (8.4%).
Road surface: 1.9% of truck crashes were on snow, slush or ice (Maryland: 2.4%).
Where crashes happen
I-495 leads within 10 miles of Cabin John with 10 fatal crashes involving a large truck since 2015. It is followed by I-66 (3), SR-190 (3) and SR-193 (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 Cabin John 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.
- Waste haulers: September is the peak month for garbage-truck crashes in Montgomery County.
- 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-495 | 10 |
| I-66 | 3 |
| SR-190 | 3 |
| SR-193 | 2 |
| SR-7 | 2 |
| US-29 | 2 |
| 21st St Nw | 1 |
| 7th St Nw | 1 |
| CR-124 Arcola Ave | 1 |
| CR-29 | 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 |
Cabin John at a glance
| Land area | 1.2 sq mi |
| Median household income (ZIP 20818) | $245,982 |
| Median home value (ZIP 20818) | $1,302,989 |
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 crashes involving a large truck averaged 2.0 a year in 2016–19 and 3.0 a year in 2020–24.
Nearby places
Questions fleets ask about Cabin John
How many truck accidents are there in Cabin John?
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 Cabin John?
I-495 had 10 fatal crashes involving a large truck within 10 miles of Cabin John since 2015, more than any other road.
What is the worst month for truck crashes in Cabin John?
December has the most truck crashes in Montgomery County, 9.6% of the yearly total.
How many garbage truck crashes are there in Cabin John?
Since 2015, Montgomery County has reported 190 garbage-truck crashes, or 4.8% of its truck crashes.
What is the truck crash rate in Cabin John compared with Maryland?
Montgomery County records 31.8 truck crashes per 100,000 residents a year, against 49.3 across Maryland.
How do I plan a garbage truck route in Cabin John?
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.