Mamakating, NY – Fatal Collision Involving Tractor-Trailer on Route 17 West

October 22, 2024

Mamakating, NY (October 22, 2024) – State Police have reported a tragic accident that occurred on Monday, October 21, resulting in the deaths of two individuals after their vehicle collided with a tractor-trailer. The incident took place at approximately 11:55 a.m. on Route 17 West, near Exit 12, in Sullivan County.

According to Trooper Steven Nevel, preliminary investigations indicate that a 2015 Dodge was traveling westbound on Route 17 when it struck the rear of a 2010 Peterbilt tractor-trailer that was also traveling in the same direction. The impact of the collision was severe, leading to significant consequences for those involved.

The driver of the Dodge, identified as 29-year-old Joseph Wallace from Woodbourne, and his front seat passenger, 38-year-old Sharon Ackerman McGriff from Monticello, were both extricated from the vehicle. Emergency Medical Services (EMS) arrived on the scene and performed life-saving measures; however, both victims ultimately succumbed to their injuries.

A third passenger, 34-year-old Edward McGriff, also from Monticello, was airlifted to Westchester Medical Center in Valhalla with serious injuries. Fortunately, he is reported to be in stable condition.

The incident has resulted in the closure of the roadway for several hours as authorities conducted their investigation. The State Police are actively looking into the circumstances surrounding the crash to determine the factors that contributed to this tragic event.

Our thoughts are with the families and friends of the victims during this incredibly difficult time.

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Car accidents are a significant concern across New York, with thousands of incidents occurring each year that result in injuries and fatalities. Many of these accidents stem from driver negligence, including distracted driving, speeding, and failure to yield. The consequences of such accidents can be devastating, not only for the victims but also for their families and the broader community.

In the aftermath of a car accident, victims often face numerous challenges, including medical expenses, emotional distress, and lost wages. When accidents result from the reckless actions of others, it is crucial for victims and their families to understand their rights and the legal options available to them. Seeking legal representation can be essential in ensuring that those affected receive the compensation they deserve for their injuries and losses.

If you or a loved one has been involved in a car accident, it is vital to take action promptly. Gathering evidence, obtaining medical records, and understanding your legal rights are critical steps in the recovery process.

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Our thoughts are with everyone who has been affected by this accident.


If you or a loved one were injured in this incident, you should speak with an attorney as soon as possible. Having your case evaluated by a lawyer immediately will ensure your rights are protected. The first step is to request a police report, and we can do that for you.
Local Accident Reports is here to provide you with valuable resources after you have been injured in an accident. In addition to your free police report, you can also schedule a free consultation with one of our personal injury attorneys right now to find out more about pursuing compensation. If you any have questions at all about your legal rights following an accident, please don't hesitate to call. 

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