That is the one thing that I think Universal has over Disney. I'm sure they have their reasons, but I wish they had more single rider lines. If you go to UO it's super easy to ride most rides even on busy days without EP b/c of single rider lines. I do think single rider is the way to go on EE and TT tho, as long as you're OK being split up. I've found that on EE you're often on the same train as the people you're waiting with, sometimes behind or in front of them, so it's almost like you're riding together anyways ha.