ZIP 20650 (Leonardtown, MD) truck route planning & crash data
Plan safer truck routes around ZIP 20650: commercial truck and garbage truck crashes here and in St. Mary's 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
14 of 367 truck crashes since 2015.
Deadliest roads
How St. Mary's County compares with Maryland
St. Mary's County against Maryland and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where St. Mary's County stands out
Full comparison
| Measure (2015–2025) | St. Mary's County | Maryland | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 27.1 | 49.3 | 49.7 | 45% below the state |
| Deaths per 100 crashes | 2.0 | 2.2 | 3.4 | 9% below the state |
| Injuries per crash | 0.67 | 0.53 | 0.49 | 1.3× the state |
| Garbage-truck share | 4.0% | 3.1% | 2.3% | 1.3× the state |
| On snow, slush or ice | 0.6% | 2.4% | 6.2% | 76% below the state |
| Morning rush (6–10 am) | 31.7% | 24.7% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 9.5% | 13.8% | 13.8% | 31% below the state |
| Winter months (Nov–Mar) | 41.8% | 40.4% | 41.9% | same |
| After dark | 13.3% | 25.2% | 24.8% | 47% below the state |
St. Mary's 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 injuries per crash, garbage-truck share and morning rush (6–10 am).
The headline for ZIP 20650: SR-234 2 fatal truck crashes since 2015, more than any other road within 10 miles of ZIP 20650.
Overview
Police reported 367 crashes involving commercial trucks in St. Mary's County since 2015: 243 people were injured and 8 were killed.
In complete reporting years that works out to about one truck crash every 12 days.
When crashes happen
March has the most truck crashes, 12.0% of the yearly total, while February has the fewest (6.3%).
November through March accounts for 41.8% of truck crashes here, compared with 40.4% in Maryland.
The busiest hour is 12–1 pm, with 11.4% of truck crashes.
0.6% of truck crashes here happened on snow, slush or ice, against 2.4% across Maryland.
Where crashes happen
SR-234 leads within 10 miles of ZIP 20650 with 2 fatal crashes involving a large truck since 2015. Next come SR-235 (1), SR-247 (1) and SR-4 (1).
Garbage & waste trucks
14 crashes involved a garbage or refuse truck, a 3.8% share (Maryland: 3.1%).
Route planning tips for ZIP 20650 fleets
- Build extra time into March routes: it has the most truck crashes here.
- Look at alternatives to SR-234 at busy times: it leads this area in fatal truck crashes.
- Morning starts matter: 31.7% of truck crashes fall between 6 and 10 am, higher than Maryland.
- 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 St. Mary's County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-234 | 2 |
| SR-235 | 1 |
| SR-247 | 1 |
| SR-4 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (St. Mary's County) |
|---|---|
| Three Notch Rd | 101 |
| Point Lookout Rd | 52 |
| Budds Creek Rd | 13 |
| St Andrews Church Rd | 12 |
| Acrs Marked Off Road | 8 |
| Great Mills Rd | 7 |
| Hollywood Rd | 6 |
| Patuxent Beach Rd | 5 |
ZIP 20650 at a glance
| Population | 16,094 |
| Density | 101 per sq mi |
| Median household income | $143,116 |
| Median home value | $486,045 |
| Home ownership | 79% |
Historical data: truck crashes in St. Mary's 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 | 14 | — | 1.1 |
| 2000s | 10 | -30% | 0.6 |
| 2010s | 24 | +158% | 0.8 |
| 2020s | 34 | +37% | 0.4 |
In the 1990s about 14 truck crashes a year were reported; in the 2020s, about 34. Reporting coverage also changed between these periods. NHTSA counts 1.5 fatal large-truck crashes a year in 2016–19 and 0.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 20650
How common are truck crashes in ZIP 20650?
367 truck crashes have been reported in St. Mary's County since 2015, with 8 deaths and 243 injuries.
What is the most dangerous road for trucks in ZIP 20650?
NHTSA data shows SR-234 with 2 fatal large-truck crashes within 10 miles of ZIP 20650 since 2015, the highest of any road.
Which month has the most truck crashes in ZIP 20650?
Truck crashes in St. Mary's County peak in March, with 12.0% of the year's crashes.
How many garbage truck crashes are there in ZIP 20650?
Garbage trucks were involved in 14 reported crashes in St. Mary's County since 2015 (3.8% of truck crashes).
What is the truck crash rate in ZIP 20650 compared with Maryland?
The yearly rate is 27.1 truck crashes per 100,000 residents in St. Mary's County, vs 49.3 for Maryland.
What is the best way to plan truck routes in ZIP 20650?
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.