ZIP 21655 (Preston, MD) truck route planning & crash data
Plan safer truck routes around ZIP 21655: commercial truck and garbage truck crashes here and in Caroline 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
9 of 266 truck crashes since 2015.
Deadliest roads
How Caroline County compares with Maryland
Caroline County against Maryland and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Caroline County stands out
Full comparison
| Measure (2015–2025) | Caroline County | Maryland | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 66.9 | 49.3 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 6.3 | 2.2 | 3.4 | 2.9× the state |
| Injuries per crash | 0.62 | 0.53 | 0.49 | 1.2× the state |
| Garbage-truck share | 3.6% | 3.1% | 2.3% | 1.2× the state |
| On snow, slush or ice | 2.0% | 2.4% | 6.2% | 18% below the state |
| Morning rush (6–10 am) | 30.6% | 24.7% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 14.3% | 13.8% | 13.8% | same |
| Winter months (Nov–Mar) | 40.9% | 40.4% | 41.9% | same |
| After dark | 15.5% | 25.2% | 24.8% | 39% below the state |
Compared with Maryland, Caroline County is lower on on snow, slush or ice and after dark. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Caroline County: 6.3 deaths for every 100 truck crashes, against 2.2 across Maryland.
Overview
Caroline County has recorded 266 truck crashes since 2015, with 165 people injured and 17 killed.
Across the years with complete reporting, that is roughly one truck crash every 16 days.
When crashes happen
The worst month is June with 11.7% of truck crashes; the quietest is April at 5.6%.
The five winter months (November to March) hold 40.9% of truck crashes, against 40.4% across Maryland.
More truck crashes happen at 9–10 am than at any other hour (9.8%).
2.0% of truck crashes here happened on snow, slush or ice, against 2.4% across Maryland.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 21655 happened on SR-16 (2), SR-307 (2), US-50 (2), SR-313 (1) and SR-318 (1); no road leads clearly.
Garbage & waste trucks
9 crashes involved a garbage or refuse truck, a 3.4% share (Maryland: 3.1%).
Route planning tips for ZIP 21655 fleets
- Review driver schedules for June, the month with the most truck crashes.
- The morning rush (6–10 am) holds 30.6% of truck crashes here, more than Maryland; adjust start times where you can.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Caroline County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-16 | 2 |
| SR-307 | 2 |
| US-50 | 2 |
| SR-313 | 1 |
| SR-318 | 1 |
| SR-322B | 1 |
| SR-331 | 1 |
| SR-392 | 1 |
| SR-662C | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Caroline County) |
|---|---|
| Shore Hwy | 76 |
| Federalsburg Hwy | 22 |
| Greensboro Rd | 15 |
| Harmony Rd | 8 |
| Bridgeville Rd | 6 |
| Dover Bridge Rd | 5 |
| Ridgely Rd | 5 |
| Burrsville Rd | 4 |
ZIP 21655 at a glance
| Population | 5,053 |
| Density | 37 per sq mi |
| Median household income | $90,385 |
| Median home value | $304,178 |
| Home ownership | 84% |
Waste facilities and haulers nearby
Historical data: truck crashes in Caroline 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 | — | 1.3 |
| 2000s | 11 | -21% | 1.3 |
| 2010s | 16 | +42% | 1.2 |
| 2020s | 28 | +72% | 1.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 14 to 28. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 1.5 a year in 2016–19, 1.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 21655
How many truck accidents are there in ZIP 21655?
Caroline County has had 266 reported truck crashes since 2015, injuring 165 people and killing 17.
What is the worst month for truck crashes in ZIP 21655?
June has the most truck crashes in Caroline County, 11.7% of the yearly total.
Are garbage truck crashes common in ZIP 21655?
Garbage trucks were involved in 9 reported crashes in Caroline County since 2015 (3.4% of truck crashes).
How do truck crashes in ZIP 21655 compare with Maryland?
Per 100,000 residents, Caroline County has 66.9 truck crashes a year; Maryland has 49.3.
How can I plan a safer truck route in ZIP 21655?
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.