If you haven't got light underground, it doesn't really matter what else you have, does it?

What if you "sealed" swim goggles with Vasoline?

Would a Res-Q-me escape tool be useful for escape from a subway car?

"...if you leave the train without permission from the train crew, you stand a good chance of being arrested..." ("THANK GOD! I DEMAND that you arrest me and get me out of here!")

Do compasses work in subway tunnels (with the metal tracks)?

Do ham radios work underground?

Sue