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Lots of rail systems report linked trips on their websites, so that might be what you see in news articles. Systems like the New York Subway only count people when they enter the system and have to use a formula to estimate the number of transfers. Here in DC they know entry and exit so they can pretty easily estimate the number of transfers.

Unlinked trips/boardings is the NTD (National Transit Database) standard - it's basically the only way to measure bus trips (since you can't easily say what's a transfer and what's not). Boardings also is a better measure of how much work the transit system is doing transporting people around - more boardings means more times vehicles have to stop to let people on, more time spent at stops, etc.

by MLD on Jun 5, 2012 1:43 pm • link • report

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