York Paramedics took the man to hospital. However, a police spokesperson told Global News the male motorcyclist died a short time later.
Anyone who may have witnessed the collision or who was in the area and may have dashcam video is asked to call police 1-866-876-5423.
Police said they were unable to determine whether another vehicle was involved and are appealing to witnesses to come forward.
YRP are in the area of Alden Rd. & Esna Park Dr. Markham for a serious mvc involving a motorcycle. The intersection will be closed for several hours so please plan for delays in the area. Witnesses are asked to contact YRP through the non-emergency number. YRP AG870
Police have released few details about the incident but say the intersection will be closed for an investigation.