No, you're not going to jail. Yes, there's a possibility that they'll offer you a charge of 49km over. However, do yourself a favor and drop this hill story. To say you let go of the gas, coasted, and your car catapulted from 80 to nearly 140... it's insulting. Not that it's a defense anyways. than...

Here is my story. Got caught 56kph over an 80 road. I was on Highway 6 on my way home at 12am from Guelph. It was on a downhill road approaching 403 near york exit. There was one car on the right lane infront of me. and behind it to the left lane was a black suv. Because it was a downhill, I decided...