Originally Posted by
jib71
All in all, it's a big step down from the original airport plans which included two runways of 4,000m and one of 3,200m. (Per Wikipedia)
True, but the third one was going to cross the other two, so it isn't as useful from a capacity maximization perspective. The extension is big news in that regard.
Why can't they just make Narita into Tokyo's Gatwick and be done with it?