One thing, that I neglected to mention previously, is that some gung-ho officer could actually nail the passing vehicle under HTA 172, for passing stopped traffic at a significantly higher speed. It wouldn't likely happen, unless there was a collision, but it's a possibility.
2. (1) For the purposes of section 172 of the Act, "race" and "contest" include any activity where one or more persons engage in any of the following driving behaviours: 1. Driving two or more motor vehicles at a rate of speed that is a marked departure from the lawful rate of speed and in a manner that indicates the drivers of the motor vehicles are engaged in a competition.
2. Driving a motor vehicle in a manner that indicates an intention to chase another motor vehicle.
3. Driving a motor vehicle without due care and attention, without reasonable consideration for other persons using the highway or in a manner that may endanger any person by,
i. driving a motor vehicle at a rate of speed that is a marked departure from the lawful rate of speed,
ii. outdistancing or attempting to outdistance one or more other motor vehicles while driving at a rate of speed that is a marked departure from the lawful rate of speed, or
iii. repeatedly changing lanes in close proximity to other vehicles so as to advance through the ordinary flow of traffic while driving at a rate of speed that is a marked departure from the lawful rate of speed. O. Reg. 455/07, s. 2 (1).
(2) In this section,
"marked departure from the lawful rate of speed" means a rate of speed that may limit the ability of a driver of a motor vehicle to prudently adjust to changing circumstances on the highway. O. Reg. 455/07, s. 2 (2).