ZIP 94556 (Moraga, CA) truck route planning & crash data
Plan safer truck routes around ZIP 94556: 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 has lower values than California for 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 garbage-truck share of crashes is 2.6%, against 1.6% for California.
Overview
Police reported 2,377 crashes involving commercial trucks in Contra Costa County since 2015: 1,171 people were injured and 73 were killed.
In complete reporting years that works out to about one truck crash every 2 days.
When crashes happen
The worst month is August with 10.1% of truck crashes; the quietest is November at 7.3%.
The five winter months (November to March) hold 40.8% of truck crashes, against 40.2% across California.
More truck crashes happen at 8–9 am than at any other hour (7.8%).
Snow, slush or ice was on the road in 0.1% of truck crashes, compared with 0.9% in California.
Where crashes happen
Within this area, I-880 had the most fatal crashes involving a large truck since 2015 (10). It is followed by I-680 (7), 5th Street (1) and Bancroft Way (1).
Garbage & waste trucks
60 crashes involved a garbage or refuse truck, a 2.5% share (California: 1.6%).
Their busiest month is February, with 15% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 3.3, vs 3.1 for all truck crashes.
Route planning tips for ZIP 94556 fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Contra Costa County.
- Check whether your routes use I-880, the road with the most fatal truck crashes in this area.
- Garbage-truck crashes here peak in February; review collection routes for that month.
- 26.3% of truck crashes happen between 6 and 10 am, above California; consider earlier or later starts where possible.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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-880 | 10 |
| I-680 | 7 |
| 5th Street | 1 |
| Bancroft Way | 1 |
| College Ave | 1 |
| Hesperian Blvd | 1 |
| I-580 | 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 94556 at a glance
| Population | 15,998 |
| Density | 320 per sq mi |
| Median household income | $215,720 |
| Median home value | $1,657,865 |
| Home ownership | 83% |
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. NHTSA counts 5.8 fatal large-truck crashes a year in 2016–19 and 6.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 94556
How many truck accidents are there in ZIP 94556?
Contra Costa County has had 2,377 reported truck crashes since 2015, injuring 1,171 people and killing 73.
Which road has the most fatal truck crashes in ZIP 94556?
I-880 had 10 fatal crashes involving a large truck within 10 miles of ZIP 94556 since 2015, more than any other road.
What is the worst month for truck crashes in ZIP 94556?
The worst month is August: 10.1% of truck crashes in Contra Costa County happen then.
Are garbage truck crashes common in ZIP 94556?
60 crashes involving garbage or refuse trucks have been reported in Contra Costa County since 2015, 2.5% of all truck crashes.
How does ZIP 94556 compare with California for truck crashes?
Per 100,000 residents, Contra Costa County has 17.7 truck crashes a year; California has 33.2.
How can I plan a safer truck route in ZIP 94556?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.