Proving dangerous operation of a motor vehicle under s. 249(1) should include:
identity of accused as culprit
date and time of incident
jurisdiction (incl. region and province)
the culprit operated a motor vehicle
the manner the accused operated the vehicle was dangerous to the public in the circumstances
driving over the road lines / driving over curbs
failure to obey road-signs, including stop signs, stop lights and speed limits
driving in close proximity with other vehicles (i.e. "tailgating")
collision with other car(s), bikers, pedestrians / collision with inanimate objects
swerving while driving
the culprit knew or ought to have known that the manner of driving was dangerous