Escalators

Oxfordian/Flickr

A Potentially Brilliant Idea to Keep Escalator Obstructers to the Right

Because poor etiquette should not be the reason you miss the train. 

Wooster Collective

Probably Offensive Street Art of the Day: Fatties, Step to the Right

A direct, if rude, way to attack America's obesity epidemic.

BBC

Unconventional Public Transit Project of the Day

An urban escalator opens in hilly Medellin slum