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Appendix

Hochsignalisierung

Group exit signals

• Track number indicator
• Dwarf signal showing clear
• Proceed indicator
• Proceed aspect board
• Track indicator for group exit signals
• Rhätische Bahn: Chur - Arosa line

Group exit signals are valid for multiple tracks. There has to be an additional indication that shows to which track a proceed aspect applies.

Track number indicator

Dwarf signal showing clear

Proceed indicator

The proceed aspect applies to the track where the proceed indicator lights up.

Another example this time with a system N signal:

Proceed aspect board

Track indicator for group exit signals

Here you see the RhB version:

Rhätische Bahn: Chur - Arosa line

This kind of signalling is not used on any other RhB line except Chur - Arosa. Every group exit signal is equipped with two additional indicators which are similar to shunting signals. The left indicator belongs to the left track and vice versa.

In their normal position they show 3 white lamps in a horizontal row (fig. 1). When the exit signal shows ''clear'', the indicator of the belonging track shows 2 lamps arranged vertically (fig. 2, 3).

As a peculiarity if there is a train about to enter from the counter direction the belonging indicator will display all 5 lamps forming a cross (fig. 4, 5).

Note: passing trains on this line (as shown in the figures 1, 2 and 3) will occur very rarely, if at all.

1:
2: 3:
4: 5:

(Last Update: 9.11.2002)

Appendix

Hochsignalisierung