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
IIRC, all four are on the same heading of 35 degrees (or 215), so really they are all shifted by 0.5