Most Dangerous Intersections in St. Louis County, MO
Quick answer: from 9 Jun 2026 – 12 Oct 2026, the location with the most reported crashes in St. Louis County, MO was 6408 Is70w To Rtu & U with 41, followed by 50 & 61 (ej) (31). These are crash counts from St. Louis County GIS Service Center — Vehicle Accidents (St. Louis County Police), not risk rates: busier junctions see more crashes partly because more cars use them.
Top 20 crash locations in St. Louis County, MO
| # | Location | Reported crashes | Injured | Killed | Map |
|---|---|---|---|---|---|
| 1 | 6408 Is70w To Rtu & U | 41 | 28 | 0 | open |
| 2 | 50 & 61 (ej) | 31 | 1 | 4 | open |
| 3 | 70 & Lucas And Hunt Rd | 12 | 12 | 0 | open |
| 4 | 109 & Windsor Meadow Blvd | 28 | 0 | 0 | open |
| 5 | 141 & 1083040 Is44w To Mo141n | 25 | 2 | 0 | open |
| 6 | 141 & Gravois Bluffs Blvd | 25 | 12 | 0 | open |
| 7 | 141 & Bowles Ave | 25 | 2 | 0 | open |
| 8 | Dunn Rd & West Florissant Ave | 25 | 4 | 0 | open |
| 9 | 367 & Jennings Station Rd | 23 | 24 | 0 | open |
| 10 | Dunn Rd & Old Halls Ferry Rd | 23 | 21 | 0 | open |
| 11 | 21 & West Bend Dr | 23 | 0 | 0 | open |
| 12 | 7417 S Lindbergh Blvd & Lindbergh Blvd | 5 | 0 | 0 | open |
| 13 | Lusher Rd & Parker Rd | 21 | 6 | 0 | open |
| 14 | Gravois Bluffs Blvd & Gravois Bluffs Cir | 20 | 0 | 0 | open |
| 15 | Halls Ferry Rd & Jennings Station Rd | 20 | 23 | 0 | open |
| 16 | 21 & 67 | 19 | 13 | 0 | open |
| 17 | New Halls Ferry Rd & West Florissant Ave | 19 | 19 | 0 | open |
| 18 | Rtp To Mo366 & Villanova Plz | 19 | 0 | 0 | open |
| 19 | 284413 Is255n To Us50w & Lindbergh Blvd | 19 | 3 | 0 | open |
| 20 | 50 & Rusty Rd | 19 | 4 | 0 | open |
4,990 crashes with a location were counted across 121 days. Each spot is about 135 m across; the name is the one the police most often recorded there. Source: St. Louis County GIS Service Center — Vehicle Accidents (St. Louis County Police).
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