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Re: [OM] Crossed Railroad tracks in Grinnell Iowa

Subject: Re: [OM] Crossed Railroad tracks in Grinnell Iowa
From: Steve Troy <sctroy@xxxxxxx>
Date: Tue, 30 Apr 2013 11:15:31 -0400 (EDT)
----- Original Message -----
From: "Chuck Norcutt"
Subject: Re: [OM] Crossed Railroad tracks in Grinnell Iowa

Never heard of it.  What's does a ball indicator indicate?

Chuck Norcutt




When the ball is "low" it means the track ahead is occupied.  When the ball is 
"high" it means clear to proceed, hence the term "highball."

Steve Troy
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