San Ramon, CA truck route planning & crash data
Plan safer truck routes in San Ramon: commercial truck and garbage truck crashes in San Ramon 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
Contra Costa County has recorded 2,377 truck crashes since 2015, with 1,171 people injured and 73 killed.
Across the years with complete reporting, that is roughly one truck crash every 2 days.
With 98 truck crashes reported in San Ramon since 2015, this page uses Contra Costa County numbers for its patterns and comparisons.
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.
More truck crashes happen at 8–9 am than at any other hour (7.8%).
0.1% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
Within this area, I-580 had the most fatal crashes involving a large truck since 2015 (10). After it: I-680 (8), Isabel-Stanley Connector (1) and SR-84 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 60 crashes, 2.5% of the total, against 1.6% across California.
The most garbage-truck crashes happen in February (15%).
They recorded 3.3 deaths per 100 crashes, against 3.1 for all trucks.
Route planning tips for San Ramon fleets
- Review driver schedules for August, the month with the most truck crashes.
- Where you can, review stops along I-580; it has the most fatal large-truck crashes nearby.
- Garbage-truck crashes here peak in February; review collection routes for that month.
- The morning rush (6–10 am) holds 26.3% of truck crashes here, more than California; adjust start times where you can.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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) |
|---|---|
| I-580 | 10 |
| I-680 | 8 |
| Isabel-Stanley Connector | 1 |
| SR-84 | 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 |
San Ramon at a glance
| Population | 85,924 |
| Land area | 20.1 sq mi |
| Density | 4,284 per sq mi |
| Median household income (ZIP 94582) | $214,677 |
| Median home value (ZIP 94582) | $1,631,280 |
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 San Ramon
How common are truck crashes in San Ramon?
2,377 truck crashes have been reported in Contra Costa County since 2015, with 73 deaths and 1,171 injuries.
Where do fatal truck crashes happen most in San Ramon?
Since 2015, I-580 has had the most fatal large-truck crashes within 10 miles of San Ramon: 10.
Which month has the most truck crashes in San Ramon?
August has the most truck crashes in Contra Costa County, 10.1% of the yearly total.
How many garbage truck crashes are there in San Ramon?
60 crashes involving garbage or refuse trucks have been reported in Contra Costa County since 2015, 2.5% of all truck crashes.
How do truck crashes in San Ramon compare with California?
The yearly rate is 17.7 truck crashes per 100,000 residents in Contra Costa County, vs 33.2 for California.
How do I plan a garbage truck route in San Ramon?
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.