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FOR MABY 5 YEARS OR MORE NOW THERE HAS BEEN A MAINLINE SIGNAL HERE IN BLAIR,NE AT MILEPOST 341.25 ON THE BLAIR SUB. THE QUESTION IM ASKING IS FIRST....WHEN A WESTBOUND CLEARS THE SIGNAL THE SIGNAL DOES THIS: 1.RED,RED,RED. THEN AS THE TRAIN CLEARS HALF WAY UP TOWN THE SIGNAL THEN GOES: 2.RED,RED.LUNER OR (WHITE). THEN AS THE TRAIN CLEARS THE SIGNAL AT MILEPOST 344.0 THE SIGNAL DOES THE NORMAL: 3.YELLOW,RED,RED. AND FINALLY: 4.GREEN,RED,RED. THE QUESTION IM ASKING IS,WHAT IS THE PURPOSE OF A (WHITE) SIGNAL ON OR FOR A MAIN LINE? IS A (WHITE) SIGNAL THE SAME THING AS A YELLOW SIGNAL????????? [bow]BNSF[bow]
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