ZIP 94514 (Byron, CA) truck route planning & crash data
Plan safer truck routes around ZIP 94514: 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. It stands out for 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.
Across the years with complete reporting, that is roughly one truck crash every 2 days.
When crashes happen
August has the most truck crashes, 10.1% of the yearly total, while November has the fewest (7.3%).
The five winter months (November to March) hold 40.8% of truck crashes, against 40.2% across California.
The busiest hour is 8–9 am, with 7.8% of truck crashes.
Road surface: 0.1% of truck crashes were on snow, slush or ice (California: 0.9%).
Where crashes happen
SR-4 leads within 10 miles of ZIP 94514 with 11 fatal crashes involving a large truck since 2015. Next come I-205 (3), I-580 (2) and Vasco Rd (2).
Garbage & waste trucks
60 crashes involved a garbage or refuse truck, a 2.5% share (California: 1.6%).
Garbage-truck crashes peak in February (15% of them).
Per 100 crashes, garbage trucks recorded 3.3 deaths compared with 3.1 for all trucks.
Route planning tips for ZIP 94514 fleets
- Review driver schedules for August, the month with the most truck crashes.
- Where you can, review stops along SR-4; it has the most fatal large-truck crashes nearby.
- 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
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 Contra Costa County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-4 | 11 |
| I-205 | 3 |
| I-580 | 2 |
| Vasco Rd | 2 |
| Byron Hwy | 1 |
| CR-ALTAMONT Pass Rd | 1 |
| CR-MARSH Creek Road | 1 |
| CR-VASCO Rd | 1 |
| Mt House Pkwy | 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 94514 at a glance
| Population | 1,953 |
| Density | 25 per sq mi |
| Median household income | $76,511 |
| Median home value | $764,702 |
| Home ownership | 60% |
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. 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 94514
How common are truck crashes in ZIP 94514?
Since 2015, 2,377 crashes involving commercial trucks were reported in Contra Costa County (1,171 injured, 73 killed).
Which road has the most fatal truck crashes in ZIP 94514?
SR-4 had 11 fatal crashes involving a large truck within 10 miles of ZIP 94514 since 2015, more than any other road.
What is the worst month for truck crashes in ZIP 94514?
Truck crashes in Contra Costa County peak in August, with 10.1% of the year's crashes.
How many garbage truck crashes are there in ZIP 94514?
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 94514 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 ZIP 94514?
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.