Copyright ©2008 by Paul Niquette. All rights reserved.
|Here you see an excerpt from the subway diagram for the borough of Manhattan. Five lines provide both express and local service for a total of 78 stations. Passengers at 32 stations can board either express or local trains. Express trains necessarily bypass a total of 46 local stations.|
|In fixed-guideway public transit systems, offering
parallel express service is extremely costly...
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