ZIP 98556 (Littlerock, WA) truck route planning & crash data
Plan safer truck routes around ZIP 98556: commercial truck and garbage truck crashes here and in Thurston 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
13 of 898 truck crashes since 2015.
Deadliest roads
How Thurston County compares with Washington
Thurston County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Thurston County stands out
Full comparison
| Measure (2015–2025) | Thurston County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 25.0 | 25.8 | 49.7 | same |
| Deaths per 100 crashes | 2.9 | 3.4 | 3.4 | 15% below the state |
| Injuries per crash | 0.14 | 0.18 | 0.49 | 22% below the state |
| Garbage-truck share | 1.4% | 2.2% | 2.3% | 34% below the state |
| On snow, slush or ice | 3.5% | 9.7% | 6.2% | 64% below the state |
| Morning rush (6–10 am) | 22.7% | 24.8% | 23.7% | 9% below the state |
| In rain, sleet or snow | 27.5% | 20.2% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 43.4% | 43.8% | 41.9% | same |
| After dark | 29.1% | 25.2% | 24.8% | 1.2× the state |
Thurston County sits below Washington on deaths per 100 crashes, injuries per crash and garbage-truck share. Where it is higher: in rain, sleet or snow and after dark.
What stands out in ZIP 98556: I-5 4 fatal truck crashes since 2015, more than any other road within 10 miles of ZIP 98556.
Overview
Since 2015, 898 crashes involving commercial trucks have been reported in Thurston County. They injured 138 people and killed 25.
In complete reporting years that works out to about one truck crash every 5 days.
When crashes happen
Truck crashes peak in October (10.1% of the year) and are lowest in May (6.2%).
November through March accounts for 43.4% of truck crashes here, compared with 43.8% in Washington.
The busiest hour is 11 am–12 pm, with 7.2% of truck crashes.
3.5% of truck crashes here happened on snow, slush or ice, against 9.7% across Washington.
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 98556 is I-5, with 4 fatal large-truck crashes since 2015. After it: US-12 (3) and CR-OLD Hwy 99 Sw (1).
Garbage & waste trucks
Garbage trucks account for 13 of the truck crashes here, or 1.4%, compared with 2.2% in Washington.
Route planning tips for ZIP 98556 fleets
- Review driver schedules for October, the month with the most truck crashes.
- Look at alternatives to I-5 at busy times: it leads this area in fatal 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 Thurston County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-5 | 4 |
| US-12 | 3 |
| CR-OLD Hwy 99 Sw | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Thurston County) |
|---|---|
| Mullen Rd Se Blk 8100 | 11 |
| I-5 Mp 104.40 | 5 |
| Sr-101*367.00 | 5 |
| Mullen Rd Blk 8100 | 4 |
| Sr-101*362.00 | 4 |
| Sr-12*046.00 | 4 |
| Sr-121*007.00 | 4 |
| Martin Way E Blk 4700 | 3 |
ZIP 98556 at a glance
| Population | 350 |
| Density | 1,132 per sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Thurston 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 | 35 | — | 2.1 |
| 2000s | 56 | +58% | 2.0 |
| 2010s | 64 | +15% | 2.0 |
| 2020s | 79 | +24% | 1.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 35 to 79. Some of the change may reflect how crashes were reported. NHTSA counts 2.8 fatal large-truck crashes a year in 2016–19 and 1.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 98556
How common are truck crashes in ZIP 98556?
Since 2015, 898 crashes involving commercial trucks were reported in Thurston County (138 injured, 25 killed).
Where do fatal truck crashes happen most in ZIP 98556?
Since 2015, I-5 has had the most fatal large-truck crashes within 10 miles of ZIP 98556: 4.
Which month has the most truck crashes in ZIP 98556?
Truck crashes in Thurston County peak in October, with 10.1% of the year's crashes.
How many garbage truck crashes are there in ZIP 98556?
Since 2015, Thurston County has reported 13 garbage-truck crashes, or 1.4% of its truck crashes.
How does ZIP 98556 compare with Washington for truck crashes?
The yearly rate is 25.0 truck crashes per 100,000 residents in Thurston County, vs 25.8 for Washington.
How do I plan a garbage truck route in ZIP 98556?
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.