59.1. A person who operates an off-highway vehicle at a speed in excess of the prescribed maximum speed is guilty of an offence and is liable to a fine of $30 plus,(1) if the speed exceeds the speed limit by 1 to 20 km/h, $15 for each 5 km/h by which the speed exceeds the speed limit;
(2) if the speed exceeds the speed limit by 21 to 30 km/h, $20 for each 5 km/h by which the speed exceeds the speed limit;
(3) if the speed exceeds the speed limit by 31 to 45 km/h, $25 for each 5 km/h by which the speed exceeds the speed limit;
(4) if the speed exceeds the speed limit by 46 to 60 km/h, $30 for each 5 km/h by which the speed exceeds the speed limit;
(5) if the speed exceeds the speed limit by 61 km/h or more, $35 for each 5 km/h by which the speed exceeds the speed limit.