T/B 602
It is issued along with T/B 912 for the Engine
sent for opening communication during
TIC when Single Line working is introduced on Double Line. Items 1 to 3 of T/B
602 will be cancelled duly retaining Line Clear Enquiry and Conditional Line
Clear message portions.
T/E 602
It is the enquiry
message sent for extra trains during single line working on double line when
TIC occurs. It is issued along with T/B
602.
T/F 602
It is the
conditional line clear message sent during single line working on double line during
TIC.
T/369(3b)
It is an authority issued to the LP to pass
a Semi Automatic Signal working as
a Manual Signal as well as a Manual
Signal at “ON”.
T/D 1425 & T/C 1425
It is LCT for Dn /Up directions
issued as Authority to proceed for the Train during the following
circumstances.
1. Panel Failure in Single Line Automatic
Area
2. Single
Line working on Double Line (For the first Train in the right direction and for
all Trains in the wrong direction)-Speed of the Train dealt on this authority
shall be restricted to 25kmph.
T/G
602 & T/H 602
It is conditional Line Clear
Ticket for Up/Dn directions. It is issued as regular authority to proceed for
the train during Single Line working on Double Line during TIC.
