Norris Canyon, CA truck route planning & crash data
Plan safer truck routes in Norris Canyon: commercial truck and garbage truck crashes in Norris Canyon and Contra Costa County, dangerous roads, seasonality and route safety data for fleets. Patterns use Contra Costa County numbers.
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 |
Compared with California, Contra Costa County is lower on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. It stands out for higher injuries per crash, garbage-truck share and morning rush (6–10 am).
Contra Costa County at a glance: 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.
Across the years with complete reporting, that is roughly one truck crash every 2 days.
Only 0 truck crashes were reported in Norris Canyon since 2015; patterns below come from Contra Costa County as a whole.
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
Roads with fatal crashes involving a large truck within 10 miles of Norris Canyon since 2015: I-580 (8), I-680 (8), I-880 (6), SR-238 (2) and Harder Rd (1). No single road stands out.
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 Norris Canyon fleets
- Build extra time into August routes: it has the most truck crashes here.
- For residential and commercial waste routes, look again at February schedules: garbage-truck crashes peak then.
- The morning rush (6–10 am) holds 26.3% of truck crashes here, more than California; adjust start times where you can.
- 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 Contra Costa County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-580 | 8 |
| I-680 | 8 |
| I-880 | 6 |
| SR-238 | 2 |
| Harder Rd | 1 |
| Hesperian Blvd | 1 |
| Merriewood Dr | 1 |
| SR-92 | 1 |
| W Winton Av | 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 |
Norris Canyon at a glance
| Land area | 3.6 sq mi |
| Median household income (ZIP 94583) | $184,898 |
| Median home value (ZIP 94583) | $1,395,752 |
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 |
In the 2000s about 123 truck crashes a year were reported; in the 2020s, about 207. Reporting coverage also changed between these periods. Fatal large-truck crashes: 5.8 a year in 2016–19, 6.2 a year in 2020–24.
Nearby places
Questions fleets ask about Norris Canyon
How common are truck crashes in Norris Canyon?
2,377 truck crashes have been reported in Contra Costa County since 2015, with 73 deaths and 1,171 injuries.
Which month has the most truck crashes in Norris Canyon?
The worst month is August: 10.1% of truck crashes in Contra Costa County happen then.
How many garbage truck accidents happen in Norris Canyon?
60 crashes involving garbage or refuse trucks have been reported in Contra Costa County since 2015, 2.5% of all truck crashes.
How does Norris Canyon compare with California for truck crashes?
Contra Costa County records 17.7 truck crashes per 100,000 residents a year, against 33.2 across California.
How can I plan a safer truck route in Norris Canyon?
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.