Originally Posted by
Wiirachay
In the case where there are 4 or more parallel runways, the runway number would be shifted by 1. e.g. DTW has 4 parallel runways. So, there's a 4L, 4R, 3L, and 3R. Before the 4th runway was built, the runways were labeled 3L, 3C, and 3R.
- Pat
This is similar to LAX, where there are 24R, 24L, 25R, 25L.
Since it was mentioned in a prior post, I'll just add (a little off subject) that landing and taking off into the wind is advantageous since it minimizes the aircraft speed at touchdown and liftoff.