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[ale] [OT]atlanta beltway need this!!!



On Fri, Nov 6, 2009 at 11:37 AM, Doug McNash <dmcnash at charter.net> wrote:
>
> ---- Geoffrey <lists at serioustechnology.com> wrote:
>
>> So maybe someone can define the difference? ?Or maybe simply define
>> 'light rail?'
>>
>
> MARTA is light rail, is it not?

I'm pretty sure Marta is heavy rail.

Light Rail is more like a street car.

Mag Lev is of course when the train car is elevated above the track by
magnetic effects.  I think some mag levs still make contact between
the car and the track, but is for guidance primarily, not support (at
least not while it is moving at speed.)

Greg
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