People trying to transport other guys to earn transportation points should know who to pickup (and where to drive to). This allows for more dynamic soldier movement and lessens the effect that everybody just goes to the frontline. I mean, there is even a category at the end of the game for that. Give those drivers some love!
#Possibility to signal that you want a taxi
little ore
gentle gate
This could probably work similar to pinging a downed teammate to tell them you're coming to help