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The Most Dangerous Roads & Intersections in St. Louis

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If you’ve been injured in a car accident on one of St. Louis’ dangerous roads or intersections, The Hoffmann Law Firm can help.

Navigating the streets of St. Louis can be hazardous, with certain roads and intersections notorious for high accident rates. These danger zones pose significant risks to motorists, cyclists, and pedestrians alike, whether due to heavy traffic, poor road design, or reckless driving behaviors.

With over 25 years of experience handling auto accident claims, we will fight to get you the compensation you deserve. Call (314) 361-4242 for a free consultation today!

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The Most Dangerous Roads in St. Louis

Interstate 64 (I-64) / Highway 40

  • I-64, also known as Highway 40, is one of the busiest highways in St. Louis. It experiences frequent congestion and aggressive driving.
  • Major accident-prone areas include Kingshighway Boulevard, Hampton Avenue, and Interstate 170 interchanges.
  • Heavy merging traffic and sudden lane changes contribute to many collisions.

Interstate 44 (I-44)

  • Stretching through St. Louis, I-44 sees many accidents, especially near exits and ramps.
  • Dangerous spots include the intersections at Grand Boulevard and the I-55 interchange.
  • Speeding and distracted driving are common factors in crashes along this highway.

Interstate 70 (I-70)

  • I-70 is a key route connecting St. Louis to other major cities, but it is also known for its high speed and frequent accidents.
  • High-risk areas include the section near Lambert-St. Louis International Airport and the downtown exits.
  • Poor road conditions and congestion increase accident risks, particularly in construction zones.

Lindbergh Boulevard (U.S. Route 67)

  • Lindbergh Boulevard stretches across St. Louis County and is infamous for high traffic volumes and multiple lanes.
  • Accidents often occur at intersections such as Page Avenue and Olive Boulevard due to poor visibility and fast-moving vehicles.

Gravois Road (Missouri Route 30)

  • A major thoroughfare with a mix of commercial and residential traffic, Gravois Road is known for frequent collisions.
  • The stretch through Affton and south St. Louis has numerous stoplights, leading to rear-end crashes and pedestrian accidents.
st louis auto wreck highway safety

Natural Bridge Avenue

  • This road runs through North St. Louis and has a high incidence of accidents, particularly near UMSL and the Jennings area.
  • Speeding, reckless driving, and pedestrian activity make it especially dangerous.

Manchester Road (Missouri Route 100)

  • Extending through the heart of St. Louis County, Manchester Road is heavily trafficked and sees frequent congestion.
  • High-risk intersections include Hanley Road and McKnight Road, where sudden stops and lane changes lead to crashes.

Why These Roads & Intersections Are So Dangerous

Several factors contribute to the high accident rates in these areas:

  • High Traffic Volume – More vehicles increase the chances of collisions.
  • Poor Road Design – Sudden merges, blind spots, and lack of turn lanes create hazardous conditions.
  • Speeding – Many drivers exceed speed limits, reducing reaction time in dangerous situations.
  • Distracted Driving – Texting, eating, and other distractions cause many preventable accidents.
  • Poor Weather Conditions – Rain, snow, and ice make dangerous roads treacherous.
  • Pedestrian Traffic – Busy urban areas with high foot traffic increase the risk of pedestrian accidents.

How to Stay Safe on St. Louis Roads

While some roads and intersections are inherently dangerous, drivers can take precautions to reduce the risk of accidents:

  • Stay Alert – Focus on the road, avoiding distractions like mobile devices.
  • Obey Speed Limits – Speeding increases stopping distances and the severity of crashes.
  • Use Defensive Driving Techniques – Be aware of aggressive drivers and anticipate potential hazards.
  • Watch for Pedestrians & Cyclists – Always yield at crosswalks and be mindful of bike lanes.
  • Avoid High-Risk Areas During Peak Hours – Rush hour traffic significantly increases the likelihood of collisions.
  • Be Extra Cautious in Poor Weather – Reduce speed and increase following distance when roads are wet or icy.
Updated: February 26, 2025