Contra Costa County intersections ranked by reported crashes
55 confirmed surface-street junctions across 2 cities in Contra Costa County, carrying 844 reported crashes between them in 2023 and 2024.
Only cities covered by this dataset appear here, and only junctions whose location two independent sources agreed on. A county's list being short means the sources disagreed or the city was not covered — not that the county is safe. Counts are not adjusted for traffic volume, and they say nothing about fault or about any individual claim.
| # | Junction | City | Crashes | Injured | Killed |
|---|---|---|---|---|---|
| 1 | Market St & Willow Pass Rd | Concord | 38 | 13 | 0 |
| 2 | Oak Grove Rd & Treat Blvd | Concord | 33 | 15 | 0 |
| 3 | Clayton Rd & Galindo St | Concord | 31 | 19 | 0 |
| 4 | 22ND St & Macdonald Av | Richmond | 24 | 13 | 0 |
| 5 | 23RD St & Macdonald Av | Richmond | 23 | 8 | 0 |
| 6 | Lacey Ln & Monument Blvd | Concord | 22 | 6 | 0 |
| 7 | 22ND St & Barrett Av | Richmond | 21 | 16 | 0 |
| 8 | Concord Ave & Market St (n) | Concord | 21 | 7 | 0 |
| 9 | Cowell Rd & Treat Blvd | Concord | 20 | 13 | 0 |
| 10 | Meadow Ln & Monument Blvd | Concord | 20 | 9 | 0 |
| 11 | Diamond Blvd & Willow Pass Rd | Concord | 20 | 5 | 0 |
| 12 | Monument Blvd & Virginia Ln | Concord | 19 | 7 | 0 |
| 13 | Detroit Ave & Sunshine Dr | Concord | 19 | 5 | 0 |
| 14 | Concord Blvd & Galindo St | Concord | 18 | 13 | 0 |
| 15 | Clayton Rd & Treat Blvd | Concord | 18 | 10 | 0 |
| 16 | Detroit Ave & Monument Blvd | Concord | 18 | 6 | 0 |
| 17 | Monument Blvd & Oak Grove Rd | Concord | 18 | 6 | 0 |
| 18 | Mohr Ln & Monument Blvd | Concord | 18 | 6 | 0 |
| 19 | Clayton Rd & Pine St | Concord | 16 | 2 | 0 |
| 20 | Diamond Blvd & Willow Way | Concord | 15 | 10 | 0 |
| 21 | Bailey Rd & Myrtle Dr | Concord | 15 | 7 | 0 |
| 22 | Clayton Rd & Detroit Ave | Concord | 15 | 6 | 0 |
| 23 | 37TH St & Macdonald Av | Richmond | 14 | 17 | 0 |
| 24 | Commerce Ave & Concord Ave | Concord | 14 | 7 | 0 |
| 25 | Ayers Rd & Clayton Rd | Concord | 14 | 6 | 0 |
| 26 | Richmond Pkwy & San Pablo Av | Richmond | 14 | 3 | 0 |
| 27 | Carlson Blvd & Cutting Blvd | Richmond | 13 | 9 | 1 |
| 28 | Concord Ave & Diamond Blvd | Concord | 13 | 8 | 1 |
| 29 | Meadow Ln & Robin Ln | Concord | 13 | 7 | 0 |
| 30 | Monument Blvd & Victory Ln | Concord | 13 | 6 | 0 |
| 31 | Cutting Blvd & Harbour Wy S | Richmond | 13 | 5 | 0 |
| 32 | Lakeside Dr & Richmond Pkwy | Richmond | 12 | 5 | 1 |
| 33 | Harbour Wy S & Ohio Av | Richmond | 12 | 6 | 0 |
| 34 | Burnett Ave & Diamond Blvd | Concord | 12 | 4 | 0 |
| 35 | Clayton Rd & Kirker Pass Rd | Concord | 12 | 4 | 0 |
| 36 | Galindo St & Willow Pass Rd | Concord | 12 | 3 | 0 |
| 37 | Hilltop Dr & Shane Dr | Richmond | 12 | 2 | 0 |
| 38 | Cowell Rd & Mesa St | Concord | 11 | 8 | 0 |
| 39 | 19TH St & Barrett Av | Richmond | 11 | 8 | 0 |
| 40 | Diamond Blvd & Galaxy Way | Concord | 11 | 6 | 0 |
| 41 | Detroit Ave & Laguna St | Concord | 11 | 5 | 0 |
| 42 | Farm Bureau Rd & Willow Pass Rd | Concord | 11 | 5 | 0 |
| 43 | Landana Dr & Willow Pass Rd | Concord | 11 | 4 | 0 |
| 44 | Monument Blvd & Reganti Dr | Concord | 11 | 3 | 0 |
| 45 | 23RD St & Rheem Av | Richmond | 11 | 3 | 0 |
| 46 | Bayview Av & Carlson Blvd | Richmond | 11 | 2 | 0 |
| 47 | Barrett Av & Marina Wy | Richmond | 10 | 8 | 0 |
| 48 | Caven Way & Monument Blvd | Concord | 10 | 6 | 0 |
| 49 | Lynwood Dr & Willow Pass Rd | Concord | 10 | 6 | 0 |
| 50 | Parkside Dr & Willow Pass Rd | Concord | 10 | 4 | 0 |
| 51 | Clayton Rd & Thornwood Dr | Concord | 10 | 4 | 0 |
| 52 | Barrett Av & San Pablo Av | Richmond | 10 | 3 | 0 |
| 53 | Macdonald Av & San Pablo Av | Richmond | 10 | 2 | 0 |
| 54 | 37TH St & Barrett Av | Richmond | 10 | 1 | 0 |
| 55 | Adelaide St & Laguna St | Concord | 10 | 0 | 0 |
Sources: California Crash Reporting System (CCRS), California Highway Patrol; locations from the US Census Geocoder, each confirmed by a second independent source to within 50 metres. Method and limitations: methodology.