Ontario Highway Traffic Act

I got a dangerous driving ticket the cop said I was going 100km on 60 km but I was going 80 km on a 60 km( not saying that's good...) and the cop said I was driving crossing the line of the incoming traffic line but I wasnt .would the cop have to get a statement from someone to prove that,i didn't get into any accidents or disobey any traffic ...

I was speeding about 80km on a 60 km to be honest and a cop was nearby and saw this I made one turn slowed down and continued tom drive straight speeding was in a hurry when he pulled me over he gave me dangerous driving charge and he said I was going on the wrong side of the road and that I was going 100 in a 60 km zone which he lied cause I wasnt ...