Hehe, oh look, Neal still has it set up - I wrote this twelve years ago!
http://www.subsim.com/ssr/tokyo_expr...yo_express.php
Twelve years. Man, time is fleeting, and young men turn into old men... Now I feel depressed...
For a coder, this game probably would be fun to make, since the AI mechanism is already set up and must not be much thought about.