LOL no doors i guess there is still a shortage.

leave it to the Chinese to make something more tank than everyone else.

They already have quad-rail systems. It's called the London Underground.

you know there is already an exsisting connection between the yonge and sheppard line for non revenue runs good call...i laughed when i saw that map. i think i need to save it for personal enjoyment. the best part is the crazy all over the map DRL