Lamar, AR truck route planning & crash data
Plan safer truck routes in Lamar: commercial truck and garbage truck crashes in Lamar and Johnson County, dangerous roads, seasonality and route safety data for fleets. Patterns use Johnson County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
10 of 396 truck crashes since 2015.
Deadliest roads
How Johnson County compares with Arkansas
Johnson County against Arkansas and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Johnson County stands out
Full comparison
| Measure (2015–2025) | Johnson County | Arkansas | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 122.6 | 92.4 | 49.7 | 1.3× the state |
| Deaths per 100 crashes | 3.7 | 3.9 | 3.4 | same |
| Injuries per crash | 0.40 | 0.45 | 0.49 | 11% below the state |
| Garbage-truck share | 2.8% | 1.6% | 2.3% | 1.8× the state |
| On snow, slush or ice | 5.7% | 3.3% | 6.2% | 1.7× the state |
| Morning rush (6–10 am) | 21.2% | 22.9% | 23.7% | 7% below the state |
| In rain, sleet or snow | 15.6% | 15.4% | 13.8% | same |
| Winter months (Nov–Mar) | 45.0% | 40.9% | 41.9% | 1.1× the state |
| After dark | 31.4% | 22.4% | 24.8% | 1.4× the state |
Johnson County sits below Arkansas on injuries per crash and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice.
What stands out in Johnson County: 1 in 35 of truck crashes here involve garbage trucks: 2.8%, vs 1.6% in Arkansas.
Overview
Johnson County has recorded 396 truck crashes since 2015, with 157 people injured and 13 killed.
Across the years with complete reporting, that is roughly one truck crash every 11 days.
With 11 truck crashes reported in Lamar since 2015, this page uses Johnson County numbers for its patterns and comparisons.
When crashes happen
The worst month is January with 10.6% of truck crashes; the quietest is May at 5.8%.
Winter months (Nov–Mar) carry 45.0% of truck crashes, vs 40.9% for Arkansas.
By time of day, 1–2 pm stands out with 7.1% of truck crashes.
Road surface: 5.7% of truck crashes were on snow, slush or ice (Arkansas: 3.3%).
Where crashes happen
Within this area, SR-109 had the most fatal crashes involving a large truck since 2015 (3). It is followed by I-40 (2), SR-21 (1) and US-64 (1).
Garbage & waste trucks
10 crashes involved a garbage or refuse truck, a 2.5% share (Arkansas: 1.6%).
Route planning tips for Lamar fleets
- Build extra time into January routes: it has the most truck crashes here.
- Check whether your routes use SR-109, the road with the most fatal truck crashes in this area.
- 5.7% of truck crashes were on snow, slush or ice, above Arkansas; plan winter equipment checks before the season.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Johnson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-109 | 3 |
| I-40 | 2 |
| SR-21 | 1 |
| US-64 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Johnson County) |
|---|---|
| I-40 | 257 |
| US-64 | 21 |
| Sh109 | 15 |
| Cst(South Crawford Street) | 15 |
| Sh21 | 14 |
| Sh103 | 10 |
| I40(Rest Area) | 7 |
| Sh164 | 5 |
Lamar at a glance
| Population | 1,769 |
| Land area | 4.6 sq mi |
| Density | 383 per sq mi |
| Median household income (ZIP 72846) | $61,250 |
| Median home value (ZIP 72846) | $148,811 |
Waste facilities and haulers nearby
Historical data: truck crashes in Johnson 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 | 21 | — | 1.4 |
| 2000s | 19 | -11% | 0.9 |
| 2010s | 26 | +36% | 0.9 |
| 2020s | 36 | +39% | 1.0 |
Reported truck crashes averaged 21 a year in the 1990s and 36 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.5 a year in 2016–19, 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Lamar
How many truck accidents are there in Lamar?
Since 2015, 396 crashes involving commercial trucks were reported in Johnson County (157 injured, 13 killed).
What is the most dangerous road for trucks in Lamar?
SR-109 had 3 fatal crashes involving a large truck within 10 miles of Lamar since 2015, more than any other road.
Which month has the most truck crashes in Lamar?
Truck crashes in Johnson County peak in January, with 10.6% of the year's crashes.
How many garbage truck crashes are there in Lamar?
Since 2015, Johnson County has reported 10 garbage-truck crashes, or 2.5% of its truck crashes.
How do truck crashes in Lamar compare with Arkansas?
Per 100,000 residents, Johnson County has 122.6 truck crashes a year; Arkansas has 92.4.
What is the best way to plan truck routes in Lamar?
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.