The Most Dangerous Intersections in St. Louis, Missouri

October 3, 2025 | Car Accidents

The Most Dangerous Intersections in St. Louis: A Data-Driven Look at Traffic Safety

St. Louis faces a growing crisis on its streets. With 126 people injured and one person killed at just one intersection alone, and 173 people killed with nearly 15,000 injured in car crashes across the city and county in 2022, understanding where accidents occur most frequently has never been more critical[source][Crash Data Portal]. This comprehensive analysis examines the most dangerous intersections in St. Louis based on recent crash data and traffic safety reports.

Washington & Broadway: The Deadliest Intersection

Leading the list of St. Louis’s most hazardous intersections is Washington & Broadway, where statistics show that 126 people were injured and one person died in recent years[regional safety report]. This busy downtown intersection poses particular risks due to its proximity to convention traffic and high pedestrian volume, as well as its close access to major highways[traffic safety facts].

Top 10 Most Dangerous Intersections in St. Louis

Based on comprehensive crash data analysis, these intersections consistently rank as the most hazardous in St. Louis:

1. Washington & Broadway

• 126 injuries, 1 fatality recorded
• High pedestrian and vehicle volume
• Proximity to major highways amplifies collision risk

2. Kingshighway Boulevard & Lindell Boulevard

This intersection serves as a gateway to Forest Park and experiences major congestion from commuters, cyclists, and pedestrians. For defensive driving tips, see the NHTSA’s safe driving guides.

3. South Kingshighway & Interstate 64 (Highway 40)

A key intersection connecting downtown to central neighborhoods and notorious for frequent, often severe, collisions due to poor visibility and high speed differences.

4. Grand Boulevard & Forest Park Avenue

Near St. Louis University, this intersection had 80 reported accidents in 2024, including 19 injuries. For more information on urban road design, check the Federal Highway Administration’s Proven Safety Countermeasures.

5. South Jefferson Avenue, Sidney Street & Gravois Avenue

A complicated multi-road crossing that creates confusion and frequent fender benders.

6. Grand Boulevard & Interstate 64

Risky due to merging traffic from the interstate and heavy arterial flow.

7. Gravois & Lindbergh Boulevard

Widely recognized as exceptionally hazardous due to fast traffic and complex merges. For Missouri Department of Transportation safety programs, visit MoDOT’s official site.

8. North Grand Boulevard & Montgomery Street

Identified as the “most dangerous” by national media analyses due to high speeds and lack of traffic control[].

9. I-70 & Goodfellow Boulevard

Part of a trend of dangerous interstate intersections=.

10. Natural Bridge & Kingshighway

Another intersection along the problematic Kingshighway corridor.

Learn more about general accident trends and your legal options on our Auto Accident FAQ and Insurance Claims Resource Center pages.

The Kingshighway Corridor Crisis

Many intersections along Kingshighway have become synonymous with high crash rates. For traffic maps and crash heatmaps, consult the Missouri Crash Map[]. You can find more insights on area traffic risks on our St. Louis Car Accident Trends series.

Recent Traffic Safety Trends

Pedestrian Fatalities at a Record High

2024 was the deadliest year for pedestrians in both St. Louis City and County, with 23 pedestrians killed in the city and 36 in the county. Learn about pedestrian safety and what’s being done at America Walks.

General Traffic Violence

• 646 persons were injured or killed while walking or biking in 533 reported crashes in 2023.
• Grand Boulevard has been the #1 top crash corridor for four consecutive years.

Why Are These Intersections So Dangerous?

Road Design and Infrastructure

• Poor visibility, confusing signals, and mismarked lanes
• High-speed arterial roads with inadequate pedestrian protections.

Traffic Volume and Behaviors

• Peak-hour congestion, distracted driving, speeding
• High-risk merging and insufficient signage

Socioeconomic Disparities

Disproportionately high crash rates afflict neighborhoods with less infrastructure investment. For more on addressing such disparities, read the Smart Growth America Dangerous by Design report.

City and State Safety Initiatives

St. Louis has allocated $46 million in ARPA funds to implement traffic calming and road safety projects at the most dangerous intersections, led by the Principal Arterial Traffic Safety program.

Missouri’s Department of Transportation and St. Louis County have partnered for an additional $4 million safety initiative across 33 critical locations. To learn more about traffic enforcement and safety programs, visit MoDOT’s Safety Page.

Safety Tips for Navigating St. Louis’s Dangerous Intersections

For Drivers

• Slow down and stay alert in known danger zones (learn more about defensive driving).
• Avoid in-car distractions and anticipate sudden stops or merges.

For Pedestrians

• Use marked crosswalks, maintain eye contact, and wear reflective clothing in low light.
• Review these pedestrian safety resources offered by NHTSA and America Walks.

The Path Forward

St. Louis’s traffic safety crisis is urgent, but city and community efforts are moving in the right direction. Insights like these can improve everyone’s awareness while supporting initiatives that save lives. For further resources, visit our Safe Driving Resource Library and browse Missouri’s crash dashboard for up-to-date statistics.

Stay safe and informed—and if you’re seeking guidance on vehicle damage or insurance claims, check our Auto Insurance Claims Guide or our Contact Us page for assistance.