At first glance the word looks like it's typeset in Helvetica but then look at the /a/. It looks like a combination of Arial and Helvetica. Any ideas?
Typophile
Helvetica-ish font?
This looks a lot like Swiss 721 Bold, but the "t" doesn't seem to quite match up....
Rail Alphabet?
http://en.wikipedia.org/wiki/Rail_Alphabet
Captured from web.archive.org on 14 Oct 2013. view this capture