The universal symbol for a city’s Metro system is a big “M” If you see one, wherever you are, you know what to do. But transit agencies also go to some great lengths to render the letter in a way that’s uniquely theirs.
The universal symbol for a city’s Metro system is a big “M” If you see one, wherever you are, you know what to do. But transit agencies also go to some great lengths to render the letter in a way that’s uniquely theirs.