On the River Line, what is indicated by the vertical yellow wayside sign with the letters "D I B" ? Thanks.
Delay in Block
Somebody else can explain what that means.
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Sirsonic wrote:The actual definition of push pull train I used comes from the NORAC operating rules. It defines push pull train as a train with an MU or cab car at either end. So, therefore, if a train has a locomotive at one end, but no cab car, it is not a push pull train. If it has a cab car it is a push pull train, and rules 504(b) and 94(b) will apply....see this is where I have the confusion though. The Amtrak trains therefore would not be push-pull... but why wouldn't this rule benefit them as well?