ZIP 21102 (Manchester, MD) truck route planning & crash data
Plan safer truck routes around ZIP 21102: 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
2.4 deaths per 100 garbage-truck crashes vs 3.4 for all trucks.
Deadliest roads
How Carroll County compares with Maryland
Carroll County against Maryland 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 | Maryland | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 40.2 | 49.3 | 49.7 | 18% below the state |
| Deaths per 100 crashes | 3.4 | 2.2 | 3.4 | 1.5× the state |
| Injuries per crash | 0.42 | 0.53 | 0.49 | 21% below the state |
| Garbage-truck share | 5.2% | 3.1% | 2.3% | 1.7× the state |
| On snow, slush or ice | 2.5% | 2.4% | 6.2% | same |
| Morning rush (6–10 am) | 28.4% | 24.7% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 13.9% | 13.8% | 13.8% | same |
| Winter months (Nov–Mar) | 39.4% | 40.4% | 41.9% | same |
| After dark | 18.0% | 25.2% | 24.8% | 29% below the state |
Carroll County has lower values than Maryland for crashes per 100k residents / yr, injuries per crash and after dark. It runs above Maryland on deaths per 100 crashes, garbage-truck share and morning rush (6–10 am).
Carroll County at a glance: 1 in 19 crashes involve a garbage truck (44 since 2015), vs 3.1% across Maryland.
Overview
Police reported 833 crashes involving commercial trucks in Carroll County since 2015: 360 people were injured and 27 were killed.
Across the years with complete reporting, that is roughly one truck crash every 5 days.
When crashes happen
October has the most truck crashes, 10.6% of the yearly total, while March has the fewest (7.1%).
The five winter months (November to March) hold 39.4% of truck crashes, against 40.4% across Maryland.
By time of day, 9–10 am stands out with 8.3% of truck crashes.
Road surface: 2.5% of truck crashes were on snow, slush or ice (Maryland: 2.4%).
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 21102 happened on Brunswick Dr (1), CR-142 (1), CR-175 (1) and SR-7 (1); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 44 of the truck crashes here, or 5.3%, compared with 3.1% in Maryland.
Garbage-truck crashes peak in November (20% of them).
They recorded 2.4 deaths per 100 crashes, against 3.4 for all trucks.
Route planning tips for ZIP 21102 fleets
- Build extra time into October routes: it has the most truck crashes here.
- For residential and commercial waste routes, look again at November schedules: garbage-truck crashes peak then.
- 28.4% of truck crashes happen between 6 and 10 am, above Maryland; consider earlier or later starts where possible.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
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) |
|---|---|
| Brunswick Dr | 1 |
| CR-142 | 1 |
| CR-175 | 1 |
| SR-7 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Carroll County) |
|---|---|
| Baltimore Blvd | 113 |
| Ridge Rd | 65 |
| Liberty Rd | 56 |
| Littlestown Pike | 43 |
| Sykesville Rd | 33 |
| Hanover Pike | 30 |
| Francis Scott Key Hwy | 15 |
| Balto National Pike | 15 |
ZIP 21102 at a glance
| Population | 12,162 |
| Density | 116 per sq mi |
| Median household income | $135,069 |
| Median home value | $405,108 |
| Home ownership | 89% |
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 | 34 | — | 2.3 |
| 2000s | 50 | +44% | 2.5 |
| 2010s | 57 | +15% | 2.0 |
| 2020s | 75 | +32% | 2.2 |
In the 1990s about 34 truck crashes a year were reported; in the 2020s, about 75. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 2.8 a year in 2016–19 and 2.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 21102
How many truck accidents are there in ZIP 21102?
833 truck crashes have been reported in Carroll County since 2015, with 27 deaths and 360 injuries.
When do most truck crashes happen in ZIP 21102?
Truck crashes in Carroll County peak in October, with 10.6% of the year's crashes.
How many garbage truck accidents happen in ZIP 21102?
Garbage trucks were involved in 44 reported crashes in Carroll County since 2015 (5.3% of truck crashes).
How does ZIP 21102 compare with Maryland for truck crashes?
Per 100,000 residents, Carroll County has 40.2 truck crashes a year; Maryland has 49.3.
What is the best way to plan truck routes in ZIP 21102?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.