Go across it diagonally,
What will do if you buy a supercar and a speed bump is higher than your car's ground clearance and there is no way around and you have to cross it?
Turn around and find another route.
Well ... Since I'm not stupid enough to buy a vehicle that can't clear a speed bump, it's a moot question.
I had one of these:
It's not a supercar. It's a Mitsubishi. I ripped the airdam off the front travelling through a village in Hertfordshire. Morons driving £90000 Range Rovers of course, had no such problem.