[bnk]

Originally Posted by CCs77

That is because Metra, as that extract forma Wikipedia says, is considered commuter rail. In Chicago, the system considered as urban heavy rail AKA metro (which is a better word that subway since can be either subway, elevated or at ground level)

Here is the list of commuter rail systems in the US

http://en.wikipedia.org/wiki/List_of...s_by_ridership

Thanks for that link it was informative. I haven't checked back on this thread in a while so sorry about the old bump.