Where do crashes happen most often on I-505?

The short answer: From July 2, 2025 through July 1, 2026, the I-505 corridor recorded 52 matching crash records. The largest recorded location category was Unincorporated with 35 matches. Among named cities, Vacaville had the highest count with 16. This is a count of records, not an exposure-adjusted measure of danger. View the reproducible table or read the methodology and limitations.

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Corridor Heat Map

I-505 crash-record density

Adjust the window from the profile start date. The map redraws to show only loaded mappable records inside that date range.

0
Plotted records in window
Profile starts Jul 2, 2025Showing Jul 2, 2025 to Jul 1, 2026
1 month from start3 months6 months9 monthsFull profile year
Window: Jul 2, 2025 to Jul 1, 2026
Loaded map records: 0 maximum client sample
Full profile count: 52 records
Loading crash coordinatesBlue record-onlyYellow injuryRed fatal
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Top Incident Locations along I-505

Unincorporated35 crashes
Vacaville16 crashes
Winters1 crashes

Direction of Travel Split

22
N/B
20
S/B
5
Other/Unknown
5
E/B

Severity & Casualties Summary

0
People reported killed
32
Injuries (People)
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Locations with the most matching I-505 records

Counts reflect the road labels and city fields recorded in the source data for this reporting window. They do not account for traffic volume, road miles, or time spent traveling.

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Top locations in matching I-505 crash records
RankRecorded cityCrashesSerious or fatalPeople killed
1Unincorporated3550
2Vacaville1630
3Winters100
Methodology

How this corridor profile is produced

No applied canonical mapping exists for I-505 yet, so this profile temporarily uses the legacy curated alias matcher against the officer-recorded primary-road label. The reporting window is 2025-07-02 through 2026-07-01. Source records come from the California Highway Patrol California Crash Reporting System.

Read the full methodology and privacy notes
Limitations

What the numbers cannot establish

  • Raw crash counts do not measure individual risk or identify the “most dangerous” segment.
  • Traffic volume, vehicle miles traveled, road length, construction, and enforcement exposure are not controlled here.
  • Road and city labels can be incomplete, inconsistent, or revised after publication.

Cite or reuse this profile

This is independent analysis of public records. Keep the reporting window, source, and methodology attached when reusing a figure.

The Crash Data Project. "I-505 Highway Crash Records Profile." Updated Jul 1, 2026. https://crashes.meruai.co/california/roads/i-505. Analysis of California Crash Reporting System public records.
Read the methodology