Try riding out of downtown Toronto, on The Gardiner, during rush hour. You'd be pounding the handle bars after coming over a rise and seeing a truck in the right lane, a truck in the centre lane, a car too scared to pass in the left lane, and then empty road in front of them for a half a mile.
Lol now I KNOW you're exaggerating.. No empty road ANYWHERE in the GTA during the rush hour. However, I know EXACTLY what you mean as it's a frequent occurrence on the QEW. Also caused by idiots camping in the left lane for 5km before getting into the HOV lane.