norwegian railway signals

The signaling system used on the Rail transport in Norway is regulated by the Regulations of December 4th, 2001 no. 1336 about signals and signs on the state's railway network and connected private tracks. The first signalling system on the Norwegian railway system was a mechanically operated semaphore system introduced at Drammen station in 1893. The first electrically operated light signal system was delievered by AEG in 1924. Today, only electrically operated light signals are used.

Signalling remedies

The following signalling remedies are used:

Signal flags
Hand-held signal lamps
Signal whistle
The signal giver's arms
Fixed light signals
Fixed sound signals
Signal signs
Orientation poles
Locomotive whistle
Locomotive and train signal lamps

The fundamental meaning of the signal colors

Red does always indicate "stop".
Violet indicates that the appurtenant level crossing signal shows "Stop short of the level crossing".
Yellow indicates "caution".
Green indicates "permission to run".
White indicates "clear line".

Light signals

The regular light signals show one of these signals:

Main signals

style="background-color: #cccccc" \| Image	style="background-color: #cccccc" \| Signal	style="background-color: #cccccc" \| Meaning	style="background-color: #cccccc" \| Used in
Signal 20A - Stop	The train must stop short of the signal.	Home signals, block signals.
	Signal 20B - Stop	The train must stop short of the signal.	Departure signals, inner signals.
	Signal 21 - Proceed (in different track)	The train can proceed, usually via one or more deviant switches.	Home signals, departure sigals, inner signals, block signals.
Signal 22 - Proceed	The train can proceed, not via deviant switches.	Home signals, departure sigals, inner signals, block signals.

Distant signals

style="background-color: #cccccc" \| Image	style="background-color: #cccccc" \| Signal	style="background-color: #cccccc" \| Meaning
Signal 23 - Expect stop	The appurtenant main signal shows signal 20A or 20B.
Signal 24 - Expect to proceed (in different track)	The appurtenant main signal shows signal 21.
Signal 25 - Expect to proceed	The appurtenant main signal shows signal 22.

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