bayarearapidtransit

377 photos tagged bayarearapidtransit, from 1 member of Flickr Commons.

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The last upload was 28 April.

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26_0074638 Rohr Collection Image

from SDASM Archives

  • rxal20 said:
    BART
  • Chuck Walla said:
    Help us get the data right. Please post comments if you find tags for this file are bogus or inaccurate. Subject missing from the tags for this photo? Add tags if you dare.

26_0026174 Rohr Collection Image

from SDASM Archives

  • Chuck Walla said:
    The DO NOT BOARD sign in 1974 identifies destination. In recent years, number of cars in the consist have been added. Example:

    RICHMOND 7 CAR TRAIN APPROACHING
    FREMONT 9 CAR TRAIN 6 MIN

    I believe the signs shown here were incandescent light bulb arrays. There's a standardized yellow color used in modern signage because it's supposed to work best with the broadest range of low-vision humans. Modern signs look like the 400+ NIT daylight viewable LED arrays but I don't know if that's what they're using.

    A matching audio announcement goes over the station loudspeaker system. In the 2020s, announcements are generated by some kind of voice synthesizer. Stations have almost entirely hard surfaces which reflect the announcements making intelliigibility vary depending on where you stand with respect to speaker locations.

    Train horn is some kind of electronic 400-cycle tone.

26_0026225 Rohr Collection Image

from SDASM Archives

  • Chuck Walla said:
    People are looking at newspapers instead of smart phones. There are no video surveillance cameras, or phony video cameras, in the cars back in 1974.