N&W Train Order Signals

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Don:
A "call-on" signal means talk tummy (talk to me).  Before  radio,  it was
possible for a dispatcher to convene a telephone conversation with a train  
crew
by flipping the "CO" button on a traffic control machine.  At the  selected 
signal
bungalow, a white light would illuminate and that was the signal for the  
nearby
train crew to pick up the phone.  My portion of the Radford   Division TC 
machine
has been modified many times.  The levers to activate the  "call-on" signals
are marked "Call on"  - "CO' , and "DLCO' and they're located at each  power
operated crossover.
 
In ABS territory, it's different.   The dispatcher communicates  via 
operators.  A
train approaching a STOP signal might well find a "call-on" indication  
displayed.  
It means don't just sit there,  the operator needs to talk to  you.
 
Yes, Gary, the "31" order does restrict the rights of a superior trains,  but 
the
conductor did not always stop and sign it on the old NS.  In many  instances,
the dispatcher would authorize the operator to sign the conductor's name  and
hand the order up on the fly.  It worked pretty good . . . . .most of  the 
time.
 
                                                         Harry Bundy
 
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