Dual Turnout Control


The subject line might be worded incorrectly, but what I am looking for is a circuit that will allow stall motor turnout machines (Tortoise) to be thrown at the site of the turnout and remotely as needed.  Will I need a second switch at each turnout to lock out the local control?  We are using the SPDT, three-wire option for local control described by Circuitron for the Tortoise machines.
Jerry Michels
Amarillo Railroad Museum

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