NSW Police said the incident occurred about 5am on Parkland Crescent, with officers arriving to find a motorcycle had crashed.

"The 15-year-old male pillion passenger was treated by NSW Ambulance paramedics before being taken to Albury hospital in a critical condition," police said in a statement.

"The rider, a 16-year-old boy, was treated at the scene before being taken to Albury hospital in a stable condition."

Police established a crime scene and began inquiries into the circumstances surrounding the crash.

EARLIER: Emergency services are still responding to a Lavington crash thought to involve two dirt bikes on Tuesday morning, May 30.

Traffic detours are in place around Parkland Crescent, near Hume Public School, involving Sutherland Street and Union Road.

Few details are available at this stage, but the crash is understood to have occurred about 5am.

Police and paramedics remain on scene, with school buses expected to be impacted.

NSW Police media has been contacted.

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