Originally Posted by NewbieRunner

I haven't been through T2 for a long time but at least in T1 there are probably 10 or more booths with one queue for EU and another for non-EU pax. At least you can't get stuck in a slow-moving queue because until you get to the top of the queue all non-EU pax will be in the same queue.

There aren't any fixed lanes for EU and non-EU (at least in T1). They just increase the number of lanes for non-EU pax when needed. I think the number of lanes open depends on how many immigration officers are available.