ZIP 46923 (Delphi, IN) truck route planning & crash data
Plan safer truck routes around ZIP 46923: commercial truck and garbage truck crashes here and in Carroll 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 of 124 truck crashes since 2015.
Deadliest roads
How Carroll County compares with Indiana
Carroll County against Indiana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Carroll County stands out
Full comparison
| Measure (2015–2025) | Carroll County | Indiana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 48.2 | 80.8 | 49.7 | 40% below the state |
| Deaths per 100 crashes | 6.4 | 2.9 | 3.4 | 2.2× the state |
| Injuries per crash | 0.22 | 0.36 | 0.49 | 39% below the state |
| Garbage-truck share | 3.6% | 2.4% | 2.3% | 1.5× the state |
| On snow, slush or ice | 7.3% | 10.6% | 6.2% | 31% below the state |
| Morning rush (6–10 am) | 24.6% | 22.4% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 8.2% | 17.4% | 13.8% | 53% below the state |
| Winter months (Nov–Mar) | 39.1% | 42.7% | 41.9% | 8% below the state |
| After dark | 26.4% | 32.0% | 24.8% | 18% below the state |
Carroll County sits below Indiana on crashes per 100k residents / yr, injuries per crash and on snow, slush or ice. It stands out for higher deaths per 100 crashes, garbage-truck share and morning rush (6–10 am).
The headline for Carroll County: 6.4 deaths per 100 truck crashes, vs 2.9 in Indiana.
Overview
Carroll County has recorded 124 truck crashes since 2015, with 28 people injured and 7 killed.
Across the years with complete reporting, that is roughly one truck crash every 36 days.
When crashes happen
Truck crashes peak in January (11.3% of the year) and are lowest in December (3.2%).
The five winter months (November to March) hold 39.1% of truck crashes, against 42.7% across Indiana.
By time of day, 7–8 am stands out with 9.7% of truck crashes.
Snow, slush or ice was on the road in 7.3% of truck crashes, compared with 10.6% in Indiana.
Where crashes happen
Within this area, US-421 had the most fatal crashes involving a large truck since 2015 (2). After it: CR-1100 (1), SR-18 (1) and SR-25N (1).
Garbage & waste trucks
Garbage trucks account for 4 of the truck crashes here, or 3.2%, compared with 2.4% in Indiana.
Route planning tips for ZIP 46923 fleets
- Build extra time into January routes: it has the most truck crashes here.
- Look at alternatives to US-421 at busy times: it leads this area in fatal truck crashes.
- 24.6% of truck crashes happen between 6 and 10 am, above Indiana; consider earlier or later starts where possible.
- 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 Carroll County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-421 | 2 |
| CR-1100 | 1 |
| SR-18 | 1 |
| SR-25N | 1 |
| Sr- 18 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Carroll County) |
|---|---|
| US-421 | 14 |
| US-421S | 7 |
| Hoosier Heartland Hwy | 7 |
| US-421N | 6 |
| State Rd 29 | 5 |
| SR-25N | 5 |
| SR-25 | 5 |
| SR-18 | 5 |
ZIP 46923 at a glance
| Population | 8,221 |
| Density | 24 per sq mi |
| Median household income | $63,553 |
| Median home value | $158,788 |
| Home ownership | 80% |
Waste facilities and haulers nearby
Historical data: truck crashes in Carroll 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 | 4 | — | 0.3 |
| 2000s | 10 | +188% | 0.4 |
| 2010s | 10 | -4% | 0.5 |
| 2020s | 10 | +6% | 0.8 |
Reported truck crashes averaged 4 a year in the 1990s and 10 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 0.2 a year in 2016–19 and 0.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 46923
How many truck crashes happen in ZIP 46923?
124 truck crashes have been reported in Carroll County since 2015, with 7 deaths and 28 injuries.
What is the most dangerous road for trucks in ZIP 46923?
Since 2015, US-421 has had the most fatal large-truck crashes within 10 miles of ZIP 46923: 2.
When do most truck crashes happen in ZIP 46923?
Truck crashes in Carroll County peak in January, with 11.3% of the year's crashes.
Are garbage truck crashes common in ZIP 46923?
Garbage trucks were involved in 4 reported crashes in Carroll County since 2015 (3.2% of truck crashes).
How do truck crashes in ZIP 46923 compare with Indiana?
The yearly rate is 48.2 truck crashes per 100,000 residents in Carroll County, vs 80.8 for Indiana.
How can I plan a safer truck route in ZIP 46923?
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.