A couple of writers paints panels and whole-cars on the New York subway, check it out!
New video showing panels running in traffic on the Copenhagen S-train.
https://www.youtube.com/watch?v=WhblKZwieP4 New video out from Sweden showing a couple of actions on various train types a cross the country!
Here you have some graffiti painted on trains in Copenhagen, Denmark!
New video with tons of trains running in traffic with spray painted graffiti on the outside, check it out!