>What are the ventilation codes for tunnels? The problem may already have
>It is fun to design carfree cities, but clean public transportation has to
>insinuated into a design never meant for it.
>I like electric buses as a interim method. When I say electric bus, I mean
>power and ground lines, electric motor, but only minimal stored energy.
>Running electric trolley buses would be a fine pilot for more permanet rail
>trolleys or even light rail.
Speaking of tunnels, in Seattle there is a bus tunnel where diesel/electric
buses are used. Dawson