Why the hell would a suicide terrorist give a rats ass about a driving ban?
He's gonna die,why would he care?
The driving ban makes car bombs almost useless. The terrorist's objective is to find a polling place and kill as many voters as possible. Any terrorist driving about will be spotted and stopped before he can get to a place where he can finish his mission. The terrorist is not afraid to die but he is afraid of obstacles that get in the way of his finishing his mission and killing other people. It's not that the terrorists would be afraid of a driving ban per se. But with the ban in place, the terrorist's visibility is enhanced a thousand-fold and a soldier or policeman is likely to put a stop to the terrorist before the terrorist can reach his objective.
Because if he's driving he'll not get near his target - he'll get intercepted for driving first.