ZIP 01741 (Carlisle, MA) truck route planning & crash data
Plan safer truck routes around ZIP 01741: commercial truck and garbage truck crashes here and in Middlesex 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
1.2 deaths per 100 garbage-truck crashes vs 1.7 for all trucks.
Deadliest roads
How Middlesex County compares with Massachusetts
Middlesex County against Massachusetts and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Middlesex County stands out
Full comparison
| Measure (2015–2025) | Middlesex County | Massachusetts | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 23.2 | 22.9 | 49.7 | same |
| Deaths per 100 crashes | 1.7 | 2.0 | 3.4 | 15% below the state |
| Injuries per crash | 0.41 | 0.46 | 0.49 | 11% below the state |
| Garbage-truck share | 5.7% | 5.3% | 2.3% | 1.1× the state |
| On snow, slush or ice | 6.2% | 6.6% | 6.2% | 7% below the state |
| Morning rush (6–10 am) | 30.4% | 27.3% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 11.8% | 13.2% | 13.8% | 10% below the state |
| Winter months (Nov–Mar) | 42.4% | 41.9% | 41.9% | same |
| After dark | 17.5% | 19.2% | 24.8% | 9% below the state |
Compared with Massachusetts, Middlesex County is lower on deaths per 100 crashes, injuries per crash and on snow, slush or ice. Where it is higher: garbage-truck share and morning rush (6–10 am).
ZIP 01741 at a glance: I-495 deadliest road: 6 fatal truck crashes within 10 miles of ZIP 01741 since 2015.
Overview
Middlesex County has recorded 4,505 truck crashes since 2015, with 1,863 people injured and 73 killed.
In complete reporting years that works out to about 1 truck crash a day.
When crashes happen
The worst month is January with 9.5% of truck crashes; the quietest is April at 6.9%.
The five winter months (November to March) hold 42.4% of truck crashes, against 41.9% across Massachusetts.
More truck crashes happen at 8–9 am than at any other hour (9.1%).
Snow, slush or ice was on the road in 6.2% of truck crashes, compared with 6.6% in Massachusetts.
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 01741 is I-495, with 6 fatal large-truck crashes since 2015. Next come Alcott Rd (1), Bridge St (1) and I-95 (1).
Garbage & waste trucks
255 crashes involved a garbage or refuse truck, a 5.7% share (Massachusetts: 5.3%).
Their busiest month is November, with 12% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 1.2, vs 1.7 for all truck crashes.
Route planning tips for ZIP 01741 fleets
- Build extra time into January routes: it has the most truck crashes here.
- Check whether your routes use I-495, the road with the most fatal truck crashes in this area.
- Garbage-truck crashes here peak in November; review collection routes for that month.
- The morning rush (6–10 am) holds 30.4% of truck crashes here, more than Massachusetts; adjust start times where you can.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Middlesex County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-495 | 6 |
| Alcott Rd | 1 |
| Bridge St | 1 |
| I-95 | 1 |
| Littleton Rd | 1 |
| Route 110 | 1 |
| SR-110 | 1 |
| SR-126 | 1 |
| SR-2A | 1 |
| SR-4 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Middlesex County) |
|---|---|
| Main St | 52 |
| Rte 495 | 24 |
| Washington St | 19 |
| Ballardvale St | 19 |
| Main Street | 16 |
| Boston Post Rd | 16 |
| Rte 90 E X 123 | 15 |
| Lowell St | 13 |
ZIP 01741 at a glance
| Population | 5,239 |
| Density | 132 per sq mi |
| Median household income | $250,001 |
| Median home value | $1,096,734 |
| Home ownership | 94% |
Waste facilities and haulers nearby
Historical data: truck crashes in Middlesex 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 | 107 | — | 5.5 |
| 2000s | 284 | +165% | 4.7 |
| 2010s | 398 | +40% | 4.5 |
| 2020s | 406 | +2% | 7.0 |
Reported truck crashes averaged 107 a year in the 1990s and 406 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 4.2 a year in 2016–19, 7.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 01741
How many truck crashes happen in ZIP 01741?
Middlesex County has had 4,505 reported truck crashes since 2015, injuring 1,863 people and killing 73.
Which road has the most fatal truck crashes in ZIP 01741?
Since 2015, I-495 has had the most fatal large-truck crashes within 10 miles of ZIP 01741: 6.
Which month has the most truck crashes in ZIP 01741?
The worst month is January: 9.5% of truck crashes in Middlesex County happen then.
How many garbage truck crashes are there in ZIP 01741?
Since 2015, Middlesex County has reported 255 garbage-truck crashes, or 5.7% of its truck crashes.
How does ZIP 01741 compare with Massachusetts for truck crashes?
The yearly rate is 23.2 truck crashes per 100,000 residents in Middlesex County, vs 22.9 for Massachusetts.
How can I plan a safer truck route in ZIP 01741?
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.