Reply to "wireing MTH crossing gates to track"

I posted this video of the MTH 30-11012 gates in an earlier OGR thread.  This shows the effect of intermittent or interrupted Yellow and White triggers in the middle of a down-up cycle.  Specifically, as previously mentioned, once a cycle starts, the MTH gate arms hold their position and the flashers continue to operate in the absence of a Yellow or White trigger.  This behavior is key to using the no-relay method using the separated (by FULL train length) isolated-rail trigger section method.