Quincy Police rushed to the 1600 Block of North 4th Street shortly after 6 p.m. Saturday, in response to a collision involving a motorcycle and a parked truck. 

Officers arrived to find 53 year-old Timothy Lindsey lying on the ground unresponsive.

The preliminary investigation shows Lindsey was riding his cycle north on 4th Street when he left the roadway, ran down an embankment and struck a parked box truck.

Lindsey sustained serious injuries and was taken to Blessing Hospital by ambulance.