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Left-track signals

Special signals for trains running on the left track on double-track lines (where trains normally run on the right track) is, as far as I'm informed, a peculiarity of Danish railways. They are not being installed anymore; in new installations both (all) tracks are equipped with regular signals. However, a fair number of the special left track signals still remain.

VI: Left track station entry signal
VU: Left track station exit signal
These have the physical appearance of a largish dwarf signal. Some of the later specimen are on masts and look mistakingly like PUs.
VM: Left track inter-block signals
VM's are less common. They are split between the to sides of the track; the right one (between the tracks) looks like a dwarf signal, and the left one looks like a PU signal.

Left track signal aspects

Left track signals showing
OFF + WHITE DASH or WHITE DASH »Passing disallowed«
A distinctive feature of the left track signals is the use of two different »Stop« aspects. This one is used when left track running system isn't enabled, in order to not confuse drivers of trains on the right track with spurious red lights in normal operation.
In some places there isn't any left track running system to enable at all, yet bogus left track entry signals has been put up as a reminder that trains on the left track may not enter the station without special permission. These signals always show Passing disallowed
Left track signals showing
YELLOW\RED + WHITE DASH or YELLOW\RED »Stop«

YELLOW/GREEN + WHITE COLON or YELLOW/GREEN »Go«

This page was last updated: May 16th 1996.

Henning Makholm <henning@makholm.net>

OFF + WHITE DASH or WHITE DASH	»Passing disallowed« A distinctive feature of the left track signals is the use of two different »Stop« aspects. This one is used when left track running system isn't enabled, in order to not confuse drivers of trains on the right track with spurious red lights in normal operation. In some places there isn't any left track running system to enable at all, yet bogus left track entry signals has been put up as a reminder that trains on the left track may not enter the station without special permission. These signals always show Passing disallowed
YELLOW\RED + WHITE DASH or YELLOW\RED	»Stop«
YELLOW/GREEN + WHITE COLON or YELLOW/GREEN	»Go«