ZIP 20660 (Morganza, MD) truck route planning & crash data
Plan safer truck routes around ZIP 20660: 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 has lower values than Maryland for 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).
What stands out in ZIP 20660: SR-234 3 fatal truck crashes since 2015, more than any other road within 10 miles of ZIP 20660.
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
Truck crashes peak in March (12.0% of the year) and are lowest in February (6.3%).
November through March accounts for 41.8% of truck crashes here, compared with 40.4% in Maryland.
By time of day, 12–1 pm stands out with 11.4% of truck crashes.
Road surface: 0.6% of truck crashes were on snow, slush or ice (Maryland: 2.4%).
Where crashes happen
SR-234 leads within 10 miles of ZIP 20660 with 3 fatal crashes involving a large truck since 2015. Next come CR-2 (1), SR-235 (1) and SR-247 (1).
Garbage & waste trucks
Garbage trucks account for 14 of the truck crashes here, or 3.8%, compared with 3.1% in Maryland.
Route planning tips for ZIP 20660 fleets
- Build extra time into March routes: it has the most truck crashes here.
- Where you can, review stops along SR-234; it has the most fatal large-truck crashes nearby.
- 31.7% of truck crashes happen between 6 and 10 am, above Maryland; consider earlier or later starts where possible.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 St. Mary's County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-234 | 3 |
| CR-2 | 1 |
| SR-235 | 1 |
| SR-247 | 1 |
| SR-6 | 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 20660 at a glance
| Population | 14 |
| Density | 6 per sq mi |
| Home ownership | 100% |
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 20660
How common are truck crashes in ZIP 20660?
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 20660?
NHTSA data shows SR-234 with 3 fatal large-truck crashes within 10 miles of ZIP 20660 since 2015, the highest of any road.
When do most truck crashes happen in ZIP 20660?
March has the most truck crashes in St. Mary's County, 12.0% of the yearly total.
Are garbage truck crashes common in ZIP 20660?
Since 2015, St. Mary's County has reported 14 garbage-truck crashes, or 3.8% of its truck crashes.
How does ZIP 20660 compare with Maryland for truck crashes?
St. Mary's County records 27.1 truck crashes per 100,000 residents a year, against 49.3 across Maryland.
What is the best way to plan truck routes in ZIP 20660?
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.