Comments on: 4 Way Crossing https://blog.model-train-help.com/2009/12/4-way-crossing.html?utm_source=rss&utm_medium=rss&utm_campaign=4-way-crossing Model railroads and model trains Thu, 22 Nov 2012 23:55:15 +0000 hourly 1 https://wordpress.org/?v=6.9.4 By: Anonymous https://blog.model-train-help.com/2009/12/4-way-crossing.html#comment-612 Sun, 03 Jan 2010 02:33:50 +0000 http://68.171.208.138/~blogmode/2009/12/4-way-crossing.html#comment-612 bob, if you have dcc you should be able to consist all the engines in one train togather, so then you can stop them all at the same time, if i understand you right this is what you are trying to do,if you are familiar with such as a digitrax system you can consist many engines to one train, my group has hooked up at least six several times, you might check this out….Herb Sr

]]> By: Geof https://blog.model-train-help.com/2009/12/4-way-crossing.html#comment-610 Thu, 31 Dec 2009 14:08:07 +0000 http://68.171.208.138/~blogmode/2009/12/4-way-crossing.html#comment-610 Bob,

If I understand your question correctly you may be able to wire the track sections on either side of the 4 way crossing with light sensors mounted under each of the four tracks. If wired properly, while one train is passing over a sensor while running through the crossing, it will kill the power to the perpendicular approach tracks causing any trains on those tracks to stop. Once the running train ‘clears’ the sensor, the power will be restored to the perpendicular track and the other train(s) in those sections will resume.

You’ll have to figure out how long to make these ‘on/off’ sections of track on either side of the crossing with the scale you are using playing a part in the decision. I would think that 18 inches for HO scale would be a safe length to start with since trains still coast a bit even when the power is cut.

Hope this helps,

Geof

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