LEONARDTOWN, MD (May 29, 2026) – On Thursday, May 28, 2026, at 8:34 p.m., patrol units from the St. Mary’s County Sheriff’s Office were dispatched to a serious motor vehicle collision in the 27000 block of Mechanicsville Road.  

A preliminary investigation indicates that a 2012 Nissan X-Terra, operated by Michael Sirk, 86, of Mechanicsville, was traveling on Mechanicsville Road and attempted to turn into a private driveway. The vehicle failed to yield the right of way and struck a black and blue Honda CBR 600RR, operated by Leo Cianciolo, 22, of Mechanicsville.

The driver of the motorcycle was transported by Maryland State Police Aviation Command Trooper 7 to an area trauma center with life-threatening injuries, where he is currently listed in critical condition.

Currently, it appears that driver error and excessive speed are contributing factors in the collision.

Due to the severity of the crash, the Collision Reconstruction Unit has assumed the investigation and is requesting eyewitness assistance from the public. If you were traveling in the area and witnessed anything, please contact Corporal Vincent Pontorno at Vincent.Pontorno@stmaryscountymd.gov or 301-475-4200, extension 2337.