Now, while I will happily confess to having once committed a lewd act on a Manchester tram while in the UK, I think the good folks at Penrith Railway Station in the Lake District may have taken things a step too far:
http://i2.photobucket.com/albums/y5/zarpafilms/penrith.jpg
http://i2.photobucket.com/albums/y5/zarpafilms/penrith.jpg