ZIP 94507 (Alamo, CA) truck route planning & crash data
Plan safer truck routes around ZIP 94507: commercial truck and garbage truck crashes here and in Contra Costa 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
3.3 deaths per 100 garbage-truck crashes vs 3.1 for all trucks.
Deadliest roads
How Contra Costa County compares with California
Contra Costa County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Contra Costa County stands out
Full comparison
| Measure (2015–2025) | Contra Costa County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 17.7 | 33.2 | 49.7 | 47% below the state |
| Deaths per 100 crashes | 3.1 | 3.6 | 3.4 | 14% below the state |
| Injuries per crash | 0.48 | 0.44 | 0.49 | 1.1× the state |
| Garbage-truck share | 2.6% | 1.6% | 2.3% | 1.6× the state |
| On snow, slush or ice | 0.1% | 0.9% | 6.2% | 86% below the state |
| Morning rush (6–10 am) | 26.3% | 23.5% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 7.3% | 6.5% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 40.8% | 40.2% | 41.9% | same |
| After dark | 27.3% | 29.1% | 24.8% | same |
Contra Costa County sits below California on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. Where it is higher: injuries per crash, garbage-truck share and morning rush (6–10 am).
The headline for Contra Costa County: 1 in 38 of truck crashes here involve garbage trucks: 2.6%, vs 1.6% in California.
Overview
Since 2015, 2,377 crashes involving commercial trucks have been reported in Contra Costa County. They injured 1,171 people and killed 73.
That averages about one truck crash every 2 days in fully reported years.
When crashes happen
August has the most truck crashes, 10.1% of the yearly total, while November has the fewest (7.3%).
November through March accounts for 40.8% of truck crashes here, compared with 40.2% in California.
The busiest hour is 8–9 am, with 7.8% 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
The deadliest road for trucks within 10 miles of ZIP 94507 is I-680, with 8 fatal large-truck crashes since 2015. Next come Clayton Rd (1), Merriewood Dr (1) and Reliez Valley Rd (1).
Garbage & waste trucks
Garbage trucks account for 60 of the truck crashes here, or 2.5%, compared with 1.6% in California.
The most garbage-truck crashes happen in February (15%).
Per 100 crashes, garbage trucks recorded 3.3 deaths compared with 3.1 for all trucks.
Route planning tips for ZIP 94507 fleets
- Review driver schedules for August, the month with the most truck crashes.
- Look at alternatives to I-680 at busy times: it leads this area in fatal truck crashes.
- For residential and commercial waste routes, look again at February schedules: garbage-truck crashes peak then.
- Morning starts matter: 26.3% of truck crashes fall between 6 and 10 am, higher than California.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Contra Costa County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-680 | 8 |
| Clayton Rd | 1 |
| Merriewood Dr | 1 |
| Reliez Valley Rd | 1 |
| SR-24 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Contra Costa County) |
|---|---|
| SR-4 | 21 |
| I-680 | 14 |
| Sr-4 W/B | 8 |
| Sr-4 E/B | 5 |
| Richmond Pkwy/Pittsburg Av | 5 |
| Clayton Rd | 4 |
| I-80 | 4 |
| Sr160 Sb/1500Ft N Wilbur Av | 3 |
ZIP 94507 at a glance
| Population | 14,586 |
| Density | 503 per sq mi |
| Median household income | $250,001 |
| Median home value | $2,000,001 |
| Home ownership | 92% |
Waste facilities and haulers nearby
Historical data: truck crashes in Contra Costa 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 | — | — | 4.8 |
| 2000s | 123 | — | 4.4 |
| 2010s | 176 | +43% | 3.7 |
| 2020s | 207 | +17% | 6.2 |
From the 2000s to the 2020s, yearly reported truck crashes went from 123 to 207. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 5.8 a year in 2016–19 and 6.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 94507
How common are truck crashes in ZIP 94507?
2,377 truck crashes have been reported in Contra Costa County since 2015, with 73 deaths and 1,171 injuries.
Which road has the most fatal truck crashes in ZIP 94507?
Since 2015, I-680 has had the most fatal large-truck crashes within 10 miles of ZIP 94507: 8.
When do most truck crashes happen in ZIP 94507?
Truck crashes in Contra Costa County peak in August, with 10.1% of the year's crashes.
Are garbage truck crashes common in ZIP 94507?
Since 2015, Contra Costa County has reported 60 garbage-truck crashes, or 2.5% of its truck crashes.
How do truck crashes in ZIP 94507 compare with California?
Per 100,000 residents, Contra Costa County has 17.7 truck crashes a year; California has 33.2.
What is the best way to plan truck routes in ZIP 94507?
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.