HO scale Railroad Crossing signals

Discussion in 'FAQs' started by dmb3006, Jan 28, 2006.

  1. dmb3006

    dmb3006 Member

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    I have a magazine article from 1988 (MR) The fellow used a ATLAS relay to operate flashing RR Xing signals.They look like Model Power signals.I know they run on AC power;but don't you need some kind of actification device to make the lights flash on and off.Also could a simple red and green track side train control signal be built the same way?