I commute to AKL airport every Fri afternoon (5-ish pm) to fly to WLG. Those few roundabouts next to giant advertising boards are always congested. Same as one function further out where lot of traffic is turning somewhere (instead of going to airport).

At WLG airport, I also notice that since NZ uses the gates at the JQ corner they become crowded from time to time, esp. when flights are delayed and end up occupying the airbridges for longer than scheduled.