Just curious..how often do they use the runway that runs northewest to southeast?i believe it's maybe 14?The one that is close to the I-70/465 exit?
It's the crosswind runway, so it's not used as the primary runway unless winds are fairly strong from the northwest or the southeast. That seems to happen more often in the spring as fall. There are times during these seasons where it'll be in use as the primary for a few days at a time.
When it's used for capacity reasons, they'll often land 5L and 5R and depart 32 or 14, or land on the crosswind and depart of the 5s. What they have to be extra careful of there is traffic crossing 14/32 coming and going to and from the parallels.
You'll almost never seem them land 23s and use 14/32 at the same time as that would be somewhat inefficient. They would have to be concerned about landing traffic on the 23s while an aircraft is landing or departing 14/32. It'd be one thing if they ran it like SFO where simultaneous approaches to the 23s were run side by side and the shot the gap with departures on 14/32, but the parallels are far enough apart that this is not necessary.
On the other hand of that, however, there are times that an inbound aircraft will request 14/32 for winds or to decrease taxi time or any other reason and if tower's able they'll be vectored for the approach.
I personally enjoy when they land 32 or depart 14 as they pass about half a mile from me...always nice to watch without having to drive to the airport.
Hope that helps some, someone else may be able to throw some more reasons in.
Matt