Waterloo, CA truck route planning & crash data
Plan safer truck routes in Waterloo: commercial truck and garbage truck crashes in Waterloo and San Joaquin County, dangerous roads, seasonality and route safety data for fleets. Patterns use San Joaquin County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4.3 deaths per 100 garbage-truck crashes vs 3.7 for all trucks.
Deadliest roads
How San Joaquin County compares with California
San Joaquin County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where San Joaquin County stands out
Full comparison
| Measure (2015–2025) | San Joaquin County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 66.6 | 33.2 | 49.7 | 2.0× the state |
| Deaths per 100 crashes | 3.7 | 3.6 | 3.4 | same |
| Injuries per crash | 0.47 | 0.44 | 0.49 | same |
| Garbage-truck share | 1.1% | 1.6% | 2.3% | 30% below the state |
| On snow, slush or ice | 0.1% | 0.9% | 6.2% | 84% below the state |
| Morning rush (6–10 am) | 24.0% | 23.5% | 23.7% | same |
| In rain, sleet or snow | 5.9% | 6.5% | 13.8% | 10% below the state |
| Winter months (Nov–Mar) | 37.8% | 40.2% | 41.9% | same |
| After dark | 28.3% | 29.1% | 24.8% | same |
San Joaquin County has lower values than California for garbage-truck share, on snow, slush or ice and in rain, sleet or snow. Where it is higher: crashes per 100k residents / yr.
What stands out in San Joaquin County: 0.1% on snowy, slushy or icy roads, against 0.9% across California.
Overview
Police reported 6,266 crashes involving commercial trucks in San Joaquin County since 2015: 3,001 people were injured and 228 were killed.
Across the years with complete reporting, that is roughly 1 truck crash every day.
With 0 truck crashes reported in Waterloo since 2015, this page uses San Joaquin County numbers for its patterns and comparisons.
When crashes happen
August has the most truck crashes, 9.9% of the yearly total, while February has the fewest (6.8%).
November through March accounts for 37.8% of truck crashes here, compared with 40.2% in California.
By time of day, 7–8 am stands out with 7.1% of truck crashes.
Snow, slush or ice was on the road in 0.1% of truck crashes, compared with 0.9% in California.
Where crashes happen
SR-99 leads within 10 miles of Waterloo with 17 fatal crashes involving a large truck since 2015. It is followed by SR-4 (13), SR-88 (7) and I-5 (4).
Garbage & waste trucks
Garbage trucks account for 75 of the truck crashes here, or 1.2%, compared with 1.6% in California.
Their busiest month is October, with 16% of garbage-truck crashes.
Per 100 crashes, garbage trucks recorded 4.3 deaths compared with 3.7 for all trucks.
Route planning tips for Waterloo fleets
- Build extra time into August routes: it has the most truck crashes here.
- Where you can, review stops along SR-99; it has the most fatal large-truck crashes nearby.
- Waste haulers: October is the peak month for garbage-truck crashes in San Joaquin County.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 San Joaquin County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-99 | 17 |
| SR-4 | 13 |
| SR-88 | 7 |
| I-5 | 4 |
| Mariposa Rd | 3 |
| Jack Tone Rd | 2 |
| West Ln | 2 |
| Budd Place | 1 |
| CR-ALPINE Rd | 1 |
| CR-JACK Tone Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (San Joaquin County) |
|---|---|
| Sr-99 S/B | 23 |
| Sr-99 N/B | 21 |
| I-5 | 16 |
| Sr-4 W/B | 14 |
| SR-99 | 12 |
| Sr-120 E/B | 11 |
| SR-4 | 11 |
| SR-12 | 10 |
Waterloo at a glance
| Land area | 5.4 sq mi |
| Median household income (ZIP 95212) | $111,720 |
| Median home value (ZIP 95212) | $532,869 |
Waste facilities and haulers nearby
Historical data: truck crashes in San Joaquin 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 | 2 | — | 12.8 |
| 2000s | 315 | +15665% | 12.0 |
| 2010s | 434 | +38% | 11.6 |
| 2020s | 561 | +29% | 19.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 2 to 561. Some of the change may reflect how crashes were reported. NHTSA counts 14.2 fatal large-truck crashes a year in 2016–19 and 19.0 a year in 2020–24.
Nearby places
Questions fleets ask about Waterloo
How common are truck crashes in Waterloo?
6,266 truck crashes have been reported in San Joaquin County since 2015, with 228 deaths and 3,001 injuries.
Which road has the most fatal truck crashes in Waterloo?
NHTSA data shows SR-99 with 17 fatal large-truck crashes within 10 miles of Waterloo since 2015, the highest of any road.
When do most truck crashes happen in Waterloo?
The worst month is August: 9.9% of truck crashes in San Joaquin County happen then.
How many garbage truck crashes are there in Waterloo?
Garbage trucks were involved in 75 reported crashes in San Joaquin County since 2015 (1.2% of truck crashes).
What is the truck crash rate in Waterloo compared with California?
Per 100,000 residents, San Joaquin County has 66.6 truck crashes a year; California has 33.2.
What is the best way to plan truck routes in Waterloo?
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.