Iola, TX truck route planning & crash data
Plan safer truck routes in Iola: commercial truck and garbage truck crashes in Iola and Grimes County, dangerous roads, seasonality and route safety data for fleets. Patterns use Grimes County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
8 of 503 truck crashes since 2015.
Deadliest roads
How Grimes County compares with Texas
Grimes County against Texas and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Grimes County stands out
Full comparison
| Measure (2015–2025) | Grimes County | Texas | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 129.9 | 62.9 | 49.7 | 2.1× the state |
| Deaths per 100 crashes | 5.9 | 4.1 | 3.4 | 1.4× the state |
| Injuries per crash | 0.64 | 0.58 | 0.49 | 1.1× the state |
| Garbage-truck share | 1.5% | 1.1% | 2.3% | 1.3× the state |
| On snow, slush or ice | 1.7% | 1.7% | 6.2% | same |
| Morning rush (6–10 am) | 23.4% | 22.6% | 23.7% | same |
| In rain, sleet or snow | 5.4% | 11.3% | 13.8% | 52% below the state |
| Winter months (Nov–Mar) | 41.0% | 40.8% | 41.9% | same |
| After dark | 22.2% | 27.0% | 24.8% | 18% below the state |
Grimes County sits below Texas on in rain, sleet or snow and after dark. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Grimes County: August worst month: 11.9% of truck crashes, vs 8.3% in an average month.
Overview
Since 2015, 503 crashes involving commercial trucks have been reported in Grimes County. They injured 325 people and killed 34.
In complete reporting years that works out to about one truck crash every 8 days.
With 5 truck crashes reported in Iola since 2015, this page uses Grimes County numbers for its patterns and comparisons.
When crashes happen
August has the most truck crashes, 11.9% of the yearly total, while April has the fewest (4.6%).
The five winter months (November to March) hold 41.0% of truck crashes, against 40.8% across Texas.
The busiest hour is 2–3 pm, with 8.5% of truck crashes.
Road surface: 1.7% of truck crashes were on snow, slush or ice (Texas: 1.7%).
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Iola since 2015: Fm 39 (2), SR-90 (2) and US-190 (2). No single road stands out.
Garbage & waste trucks
8 crashes involved a garbage or refuse truck, a 1.6% share (Texas: 1.1%).
Route planning tips for Iola fleets
- Review driver schedules for August, the month with the most truck crashes.
- 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 Grimes County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| Fm 39 | 2 |
| SR-90 | 2 |
| US-190 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Grimes County) |
|---|---|
| State Highway 6 | 19 |
| Sh 6 | 13 |
| Sh 90 | 9 |
| Sh 105 | 7 |
| State Highway 90 | 6 |
| County Road 180 | 3 |
| SR-30 | 3 |
| Sh 30 | 3 |
Iola at a glance
| Population | 347 |
| Land area | 1.0 sq mi |
| Density | 337 per sq mi |
| Median household income (ZIP 77861) | $67,275 |
| Median home value (ZIP 77861) | $257,163 |
Waste facilities and haulers nearby
Historical data: truck crashes in Grimes 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 | 18 | — | 0.7 |
| 2000s | 29 | +61% | 1.5 |
| 2010s | 37 | +28% | 2.4 |
| 2020s | 42 | +14% | 2.4 |
Reported truck crashes averaged 18 a year in the 1990s and 42 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 2.2 a year in 2016–19 and 2.4 a year in 2020–24.
Nearby places
Questions fleets ask about Iola
How common are truck crashes in Iola?
Grimes County has had 503 reported truck crashes since 2015, injuring 325 people and killing 34.
What is the worst month for truck crashes in Iola?
The worst month is August: 11.9% of truck crashes in Grimes County happen then.
How many garbage truck accidents happen in Iola?
Garbage trucks were involved in 8 reported crashes in Grimes County since 2015 (1.6% of truck crashes).
How does Iola compare with Texas for truck crashes?
Grimes County records 129.9 truck crashes per 100,000 residents a year, against 62.9 across Texas.
What is the best way to plan truck routes in Iola?
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.