Metro

The Metro goes fast and it is reliable. It isn't hard to buy tokens or a month long pass. The only problem is the large amount of people that use the metro. Riding the metro will answer all of your questions about how sardines feel in their can. To ride it just go to the teller buy a token, then drop it in at the gate, make sure you go through the proper side of the gate or there are some metal jaws that clamp shut to prevent you from riding the metro without paying.