A teenage girl remains critical, after a freak motorbike accident on the M1 through Mount White.
Police say the 69 year old man was riding southbound yesterday afternoon, when a wheel came off his trike and it crashed into a guardrail.
The 16 year old girl, who was a passenger at the time, has just gotten out of surgery for head, back and leg injuries at John Hunter.
While the man's stable in Royal North Shore.
Brisbane Water Police have confirmed this morning crash investigations won't continue.