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Re:Show HN: Visualizing transit delays in real time for SF MUNI by Groxx on Monday September 09, 2013 @02:53PM (#6355395)
Neat - I'll have to read on how you did this, I'd love to incorporate it in a transit site/app somehow :)

There are some oddities, though - what does this mean? http://cl.ly/image/2p0b2c1H2l1X

Re:Show HN: Visualizing transit delays in real time for SF MUNI by bdon on Monday September 09, 2013 @02:59PM (#6355428)
The direction (inbound/outbound) comes from NextBus data and is frequently erroneous, so in that case a train traveling outbound is shown with the inbound vehicles.

The position above the last stop is because MUNI vehicles have significant extra track beyond the 4th/King stop that they use to wait and turn around.

Re:Show HN: Visualizing transit delays in real time for SF MUNI by Groxx on Monday September 09, 2013 @04:09PM (#6355828)
Oh, of course - I forgot I didn't click the outbound box. After seeing that it's pretty clear :)