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| Re: More count-down clock lunacy (1460812) | |||
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Re: More count-down clock lunacy |
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Posted by Stephen Bauman on Tue Jan 2 07:13:16 2018, in response to Re: More count-down clock lunacy, posted by randyo on Mon Jan 1 23:30:39 2018. One problem I see with the countdown clocks at stations with multiple lines is how does the clock know which service is actually next? At Pacific St, how can it tell if the next train on the express tk is an N or a D or overnight whether the next train on the lcl tk is an N or an R?The countdown clocks don't work off the track circuits. Therefore, they have more information regarding the trains that are on the tracks. In particular, the route and track are passed along. Work trains could be included; I have not seen them in the feed. However, their presence isn't required for next train displays. I suppose it’s possible for the countdown clock to read where the trains are coming from since they either come from different tks The real time feed contains information regarding all trains currently operating as well as those that will go into service within the next 30 minutes. The feed is updated every minute. There's enough incoming information to display several train arrivals and correct it, should there be unforeseen events. |
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