ZIP 19966 (Millsboro, DE) truck route planning & crash data
Plan safer truck routes around ZIP 19966: commercial truck and garbage truck crashes here and in Sussex 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
4.9 deaths per 100 garbage-truck crashes vs 3.0 for all trucks.
Deadliest roads
How Sussex County compares with Delaware
Sussex County against Delaware and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sussex County stands out
Full comparison
| Measure (2015–2025) | Sussex County | Delaware | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 49.6 | 53.2 | 49.7 | same |
| Deaths per 100 crashes | 3.0 | 2.6 | 3.4 | 1.2× the state |
| Injuries per crash | 0.56 | 0.52 | 0.49 | 1.1× the state |
| Garbage-truck share | 4.1% | 3.7% | 2.3% | 1.1× the state |
| On snow, slush or ice | 1.6% | 2.2% | 6.2% | 28% below the state |
| Morning rush (6–10 am) | 28.2% | 25.1% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 10.3% | 12.0% | 13.8% | 14% below the state |
| Winter months (Nov–Mar) | 38.2% | 39.9% | 41.9% | same |
| After dark | 16.8% | 22.7% | 24.8% | 26% below the state |
Sussex County sits below Delaware on on snow, slush or ice, in rain, sleet or snow and after dark. It runs above Delaware on deaths per 100 crashes, injuries per crash and garbage-truck share.
The headline for Sussex County: +73% yearly reported truck crashes went from 61 in the 2000s to 106 in the 2010s.
Overview
Sussex County has recorded 1,559 truck crashes since 2015, with 874 people injured and 45 killed.
Across the years with complete reporting, that is roughly one truck crash every 3 days.
When crashes happen
The worst month is October with 9.2% of truck crashes; the quietest is February at 7.1%.
November through March accounts for 38.2% of truck crashes here, compared with 39.9% in Delaware.
More truck crashes happen at 7–8 am than at any other hour (8.9%).
Snow, slush or ice was on the road in 1.6% of truck crashes, compared with 2.2% in Delaware.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 19966 since 2015: SR-20 (2), SR-24 (2), US-113 (2), CR-20 Betts Pond Rd (1) and CR-305 (1). No single road stands out.
Garbage & waste trucks
66 crashes involved a garbage or refuse truck, a 4.2% share (Delaware: 3.7%).
The most garbage-truck crashes happen in September (14%).
They recorded 4.9 deaths per 100 crashes, against 3.0 for all trucks.
Route planning tips for ZIP 19966 fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Sussex County.
- Garbage-truck crashes here peak in September; review collection routes for that month.
- The morning rush (6–10 am) holds 28.2% of truck crashes here, more than Delaware; 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
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 Sussex County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-20 | 2 |
| SR-24 | 2 |
| US-113 | 2 |
| CR-20 Betts Pond Rd | 1 |
| CR-305 | 1 |
| CR-334 Dagsboro Rd | 1 |
| CR-431 Shortly Rd | 1 |
| CR-64 Whitesville Rd | 1 |
| Cr- 62 E Trap Pond Rd | 1 |
| SR-17 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sussex County) |
|---|---|
| Us113 Dupont Blvd | 107 |
| Us13 Sussex Hwy | 92 |
| Sr1 Coastal Hwy | 50 |
| John J Williams Hwy | 48 |
| Lewes-Georgetown Hwy | 42 |
| Us 13 Sussex Hwy | 36 |
| Seashore Hwy | 32 |
| Sussex Hwy | 30 |
ZIP 19966 at a glance
| Population | 35,884 |
| Density | 156 per sq mi |
| Median household income | $78,305 |
| Median home value | $310,900 |
| Home ownership | 82% |
Waste facilities and haulers nearby
Historical data: truck crashes in Sussex 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 | 76 | — | 4.5 |
| 2000s | 61 | -20% | 4.0 |
| 2010s | 106 | +73% | 4.3 |
| 2020s | 143 | +35% | 3.6 |
Reported truck crashes averaged 76 a year in the 1990s and 143 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 6.0 a year in 2016–19 and 3.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 19966
How many truck accidents are there in ZIP 19966?
Sussex County has had 1,559 reported truck crashes since 2015, injuring 874 people and killing 45.
What is the worst month for truck crashes in ZIP 19966?
Truck crashes in Sussex County peak in October, with 9.2% of the year's crashes.
How many garbage truck crashes are there in ZIP 19966?
Since 2015, Sussex County has reported 66 garbage-truck crashes, or 4.2% of its truck crashes.
How does ZIP 19966 compare with Delaware for truck crashes?
The yearly rate is 49.6 truck crashes per 100,000 residents in Sussex County, vs 53.2 for Delaware.
How can I plan a safer truck route in ZIP 19966?
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.