Transcription of Compiled by: Dick Bronson - RR-CirKits
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Portland Daylight eXpress 2015 Signaling Your LayoutCompiled by: dick BronsonRR-CirKits, a signaling system on your Types of Prototype Systems Train order signals Interlocking signals ABS (Automatic Block System) APB (Absolute Permissive Block) CTC TCS (Centralized Traffic Control Traffic Control System) Route indications Speed indications Signal TypesTypeVariationsUnique RoadsPrototype MfgsHO Model ManufacturersBall SignalsSemaphoreUpper, lower QuadrantUS&S, GRST omar, N J International, (Oregon Rail Supply #152 #155 ?)
Block is the section of track being protected by a signal. It does not necessarily correspond to the electrical blocks used for power distribution, but it is helpful if it does.
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