Kristen Ady Killed, John Ady and Rhonda Dam Injured In Multi-Vehicle Accident On Route 422

Quick Facts:

Where: Route 422 in Slippery Rock Township, PA

What Happened: One person was killed and two injured in a four vehicle collision

Participants:

• Zachariah Kyle, Chevy Commercial Pickup Driver
• John Ady, Hyundai Santa Fe Driver
• Kristen Ady, Hyundai Santa Fe Passenger
• Rhonda Dam, Smart Fortwo Driver
• Brian Bakke, Honda Accord Driver

Reported Injuries/Fatalities:

• Kristen Ady, Fatality
• John Ady, Serious Injuries
• Rhonda Dam, Minor Injuries

Details:

Kristen Ady was killed and John Ady and Rhonda Dam injured in a four vehicle chain-reaction accident on Route 422 in Slippery Rock Township, PA. Pennsylvania State Police say the initial crash occurred around 3:57 p.m. on Friday, April 11, 2025.

A commercial pickup driven by Zachariah Kyle reported set off the collision when it collided with the rear of the Hyundai driven by John Ady. It rolled onto the driver side of the vehicle, striking a Smart Fortwo driven by Dam, which then collided with a Honda Accord.

Kristen Ady was pronounced dead at the scene, and John Ady was airlifted to St. Elizabeth’s Youngstown Hospital with serious injuries. Authorities are currently investigating what caused the initial collision.