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DALLAS
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 - DART home
     http://www.dart.org/
 - System map
     http://www.dart.org/maps.asp?zeon=RailMap

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DENVER
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 - RTD home
     http://www.rtd-denver.com/
 - System map
     http://www.rtd-denver.com/LightRail/lrmap.htm

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PORTLAND
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 -TRI-MET home
     http://www.tri-met.org/home.htm
 - System map
     http://www.tri-met.org/schedule/mainmap.htm
 - MAX light rail system
     http://www.tri-met.org/max/index.htm

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MUNICH
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 - München U-Bahn & S-Bahn home
     http://www.metropla.net/eu/muc/muenchen.htm
 - System map
     http://asnic.utexas.edu/~bennett/__map/MunichPT.pdf

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SAN FRANCISCO BAY AREA
----------
 - BART home
     http://www.bart.gov/index.asp
 - System map
     http://www.bart.gov/stations/map/systemMap.asp

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WASHINGTON DC
----------
 - Metrorail home
     http://www.wmata.com/default.cfm
 - System map
     http://www.wmata.com/metrorail/systemmap.cfm