Diverging Diamond Interchange

SOURCE www.npr.org
The diverging diamond interchange is a safer and more efficient design for intersections, making left turns easier and eliminating some conflicts with other cars and pedestrians. It has been successful in reducing crashes and traffic congestion.

Key Points

  • Inventor Gilbert Chlewicki created the diverging diamond interchange
  • First introduced in Missouri in 2009 and has since spread to over 200 intersections in the U.S.
  • Reduces side impact crashes and improves traffic flow

Pros

  • Safer and more efficient design for intersections
  • Easier left turns with no oncoming traffic
  • Reduces crashes and traffic congestion

Cons

  • Some drivers may find it confusing or challenging
  • Potential concerns about safety for drivers unfamiliar with the design