Most Dangerous Roads and Intersections in St. Louis, Missouri

Grand Boulevard has held the title of St. Louis City's top crash corridor for more than four consecutive years (Trailnet). The 8.8-mile road runs north-south through the heart of the city, carrying up to six lanes of traffic at a 35 mph speed limit. Pedestrian crashes on Grand increased from 21 in 2022 to 28 in 2023 (STLPR / Trailnet).

The intersection of Grand Boulevard and Forest Park Avenue is a repeat trouble spot with frequent high-speed crashes and pedestrian fatalities (Hoffmann Law). Grand Boulevard at I-70 is consistently recognized as one of the city's most dangerous intersections, where high-speed highway traffic mixes with slower city traffic across short merging distances (Mann Wyatt).

Grand, Chippewa, Kingshighway, Broadway, and Gravois together make up just 1% of the St. Louis City road network yet account for 44% of pedestrian deaths (Trailnet / Hennessey Law). These are wide, fast arterials cutting through neighborhoods where people live, walk, and take transit — roads designed for vehicle throughput, not human safety.

Kingshighway Boulevard recorded 183 crashes in 2024 — approximately one every other day (Bradley Law Firm / MSHP). The road runs north-south through St. Louis, connecting major destinations including Barnes-Jewish Hospital, Forest Park, and the I-64 interchange.

The intersection of Kingshighway and Highway 40 (I-64) is a known high-crash location due to poor visibility and confusing lane changes as drivers transition between city streets and interstate traffic (Hennessey Law). The Kingshighway and Lindell Boulevard intersection recorded 20 crashes, 13 injuries, and 1 fatality in a recent reporting period.

Kingshighway carries high volumes of commuter and hospital-related traffic through a corridor with dense pedestrian activity. The combination of speed, volume, and pedestrian exposure makes every intersection along the boulevard a potential crash site.

Natural Bridge Avenue recorded more than 1,400 crashes between 2012 and 2017, and the road has not gotten safer since. In 2019 alone, 4 fatal wrecks occurred on the corridor (Hoffmann Law). The intersection of Natural Bridge Road and Union Boulevard is identified as one of the city's highest-risk intersections (Hennessey Law).

Natural Bridge runs east-west through north St. Louis, connecting neighborhoods with some of the highest poverty rates in the metro area. The road is wide, fast, and lined with commercial properties — a design that prioritizes vehicle speed over pedestrian safety in communities where many residents rely on walking and transit.

Speeding is a persistent problem on Natural Bridge. The road's wide lanes and long signal spacing encourage drivers to exceed the posted speed limit, and the consequences are severe when a vehicle strikes a pedestrian at 40+ mph.

I-70 through the St. Louis metro area recorded 5,145 crashes in just the first eight months of 2023. By the same period in 2024, crashes had dropped to 3,387 — a 35% decrease, credited in part to MoDOT safety improvements (KBIA / MoDOT). Despite the decline, I-70 had recorded 45 accident fatalities by mid-2024, up from 32 by the same date in 2023 (Schultz & Myers).

The S. Grand Boulevard and I-70 interchange is one of the most dangerous intersections in the city, where highway-speed traffic converges with city traffic across short merge zones. The I-70 and Salisbury Street area sees heavy commercial truck traffic with blind spots and visibility challenges (Mann Wyatt).

MoDOT's $2.8 billion Improve I-70 project will widen the highway to three lanes in each direction on nearly 200 miles from Blue Springs to Wentzville. Until construction is complete, the corridor will continue to mix heavy traffic volumes with construction zones — historically one of the most dangerous combinations on Missouri highways.

I-64 — known locally as Highway 40 — intersects with several of the city's most dangerous surface streets. The I-64 and Grand Boulevard interchange is a high-crash location with heavy traffic, poor visibility, and blind spots (Mann Wyatt). The I-64 and Kingshighway Boulevard interchange adds speed differentials between interstate and city traffic to the mix.

I-44's interchange with Jefferson Avenue is a collision hotspot with a confusing layout, heavy rush-hour traffic, and heavy commercial truck volumes. Jefferson Avenue itself recorded over 100 crashes in 2024, including several injury wrecks (Bradley Law Firm).

The five-way intersection at Jefferson Avenue, Sidney Street, and Gravois Avenue — where multiple roads converge from different angles — is one of the most disorienting intersections in the city. Drivers unfamiliar with the layout frequently make wrong-lane errors that lead to sideswipe and angle collisions (Hennessey Law).

Gravois Avenue ranks as St. Louis City's second-highest crash corridor after Grand Boulevard (Trailnet). The road runs diagonally from south city to downtown, cutting through residential neighborhoods and commercial districts at an angle that creates unusual intersection geometries.

The intersection of Gravois Road and Hampton Avenue sees frequent collisions, driven by the combination of high traffic volumes and the awkward angles at which roads meet (Hoffmann Law). Gravois is part of the cluster of five roads — Grand, Chippewa, Kingshighway, Broadway, and Gravois — that account for 44% of pedestrian deaths on just 1% of the road network.

Gravois Avenue's diagonal path means it intersects other streets at non-standard angles, creating sight-line problems and confusing right-of-way situations. Drivers approaching from side streets often misjudge the speed of vehicles on Gravois because the angle makes distances harder to gauge.

2024 was the deadliest year on record for pedestrians in both St. Louis City and St. Louis County. The city recorded 23 pedestrian deaths — up 187% from 8 in 2023. The county recorded 36 pedestrian deaths — up from 28 in 2023, also a record. Combined, 59 pedestrians were killed in the St. Louis region in 2024, a 64% increase from the prior year (Trailnet, St. Louis Magazine, STLPR).

The trend is stark: since 2010, pedestrian and cyclist deaths in the region have increased 73% while total reported crashes have actually fallen 35% (Trailnet). Pedestrian fatalities rose from 25% of all traffic deaths in 2010 to 48% of all traffic deaths in 2024. In 2010, fewer than 2% of people struck by vehicles died; by 2024, nearly 1 in 10 struck pedestrians and cyclists died.

Eighty-four percent of pedestrian fatalities occurred at mid-block locations — not at intersections (Hennessey Law). This reflects the design problem: wide arterial roads with long stretches between crosswalks force pedestrians to cross mid-block, where there are no signals, no crossings, and no protection from high-speed traffic.

After any crash in St. Louis: move to safety if possible, call 911, and request a police report. Missouri law requires drivers to report crashes involving injury, death, or property damage exceeding $500. Exchange information with the other driver and photograph the scene, vehicle damage, road conditions, and any visible injuries.

Seek medical attention even if you feel fine. Crashes on high-speed corridors like Grand Boulevard, Kingshighway, and the interstates frequently cause whiplash, concussions, and soft tissue injuries that don't present symptoms for hours or days. Your medical records from the days immediately following the crash are critical evidence for any claim.

Missouri follows a pure comparative fault rule — you can recover damages even if you are partially at fault, with your award reduced by your percentage of fault. There is no threshold that bars recovery entirely. The statute of limitations for personal injury claims is 5 years from the date of injury (Mo. Rev. Stat. § 516.120). For wrongful death, the deadline is 3 years from the date of death. While Missouri's deadline is longer than most states, evidence degrades and witnesses forget. Don't wait to act.

If you've been in an accident on one of St. Louis's dangerous roads, take our free 2-minute assessment. You'll answer a few quick questions about your accident and injuries, and we'll give you a personalized report that includes Missouri's filing deadline for your claim, your legal options based on the specifics of your crash, and whether connecting with a St. Louis-area personal injury attorney makes sense for your situation.

St. Louis City recorded over 9,000 crashes in 2024, and pedestrian deaths hit an all-time high. Missouri's pure comparative fault rule means you can recover damages even if you were partially at fault. Don't wait to find out where you stand.