ZIP 21660 (Ridgely, MD) truck route planning & crash data
Plan safer truck routes around ZIP 21660: 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.
In complete reporting years that works out to about 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.
By time of day, 9–10 am stands out with 9.8% of truck crashes.
Road surface: 2.0% of truck crashes were on snow, slush or ice (Maryland: 2.4%).
Where crashes happen
Within this area, SR-404 had the most fatal crashes involving a large truck since 2015 (7). After it: SR-16 (1), SR-213 (1) and SR-313 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 9 crashes, 3.4% of the total, against 3.1% across Maryland.
Route planning tips for ZIP 21660 fleets
- Review driver schedules for June, the month with the most truck crashes.
- Look at alternatives to SR-404 at busy times: it leads this area in fatal truck crashes.
- Morning starts matter: 30.6% of truck crashes fall between 6 and 10 am, higher than Maryland.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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-404 | 7 |
| SR-16 | 1 |
| SR-213 | 1 |
| SR-313 | 1 |
| SR-314 | 1 |
| SR-317 | 1 |
| US-301 | 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 21660 at a glance
| Population | 4,132 |
| Density | 49 per sq mi |
| Median household income | $80,469 |
| Median home value | $359,838 |
| Home ownership | 77% |
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. NHTSA counts 1.5 fatal large-truck crashes a year in 2016–19 and 1.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 21660
How many truck crashes happen in ZIP 21660?
266 truck crashes have been reported in Caroline County since 2015, with 17 deaths and 165 injuries.
Which road has the most fatal truck crashes in ZIP 21660?
Since 2015, SR-404 has had the most fatal large-truck crashes within 10 miles of ZIP 21660: 7.
Which month has the most truck crashes in ZIP 21660?
June has the most truck crashes in Caroline County, 11.7% of the yearly total.
Are garbage truck crashes common in ZIP 21660?
9 crashes involving garbage or refuse trucks have been reported in Caroline County since 2015, 3.4% of all truck crashes.
How do truck crashes in ZIP 21660 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 21660?
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.