Routing Signal (G.R. 3.09)
Routing signal is provided to indicate to the Loco Pilot which of the two or more routes is set in his favour when the Home signal, due to its position, is inconvenient for this purpose.
Route (Indication) Indicators (SEM Part I)
- ✓
These are provided to give information regarding which of the two or more lines is set for Loco Pilots.
- ✓
Route indicators are treated as stop signals.
- ✓
If the route indicator in the reception signal is not in working order, the relevant stop signal shall be treated as defective.
- ✓
If the Loco Pilot finds the route indicator on starter signal displaying incorrect route, he shall treat the starter signal at ON.
Types of Route Indication
Route indicators are of three types:
- ✓
Stencil type
- ✓
Multi lamp type
- ✓
Junction type
a) Stencil Type Route Indicators
- ✓
This indicating apparatus is placed on the same post below or above the stop signal.
- ✓
When the signal is taken OFF, the number or description of the line for which signal is cleared will appear on the indicator in the form of an illuminated number or alphabet.
b) Multi-Lamp Type Route Indicator
A number of electrical bulbs are arranged on a panel kept on the signal post.
When the signal is cleared, the line number appears on the panel by selective lighting up of the electric bulbs in the required pattern.
c) Junction Type Route Indicator
Also known as position type route indicator.
Provided with five miniature white lights. Six indicators can be fixed on a signal post.
When signal is taken off for main line and when signal is at ON there is no route indication. When signal is off (yellow MAS/green/TAS) with route indicator indicates signal is cleared for turnout.
Electric Repeater (G.R & S.R 3.23)
Miniature Signal Repeaters are provided on Station Master‘s Control panel/VDUs to repeat the aspect displayed by each signal.
Whenever any signal repeater is not in working order, the relevant fixed signal need not be treated as defective if it is possible for the Station Master to observe personally the position of the signal or by proceeding to the convenient place outside from where the signal can be seen or at stations provided with cabins at either ends of the yard, the Station Master at the station shall ascertain from the cabin concerned that the signal is working properly and exchange Private Number.
Whenever the miniature light repeater in the colour light signalling territory is found to be defective and the signal light aspect is not visible from the station/cabin, the signal which it repeats shall be treated as defective and not taken ‗off‘ for any train and action shall be taken as per Rule 3.68 to 3.72.
S.R. 3.36.2
The Station Master (SM) shall assure himself, in all cases either personally or by means of a repeater, that the concerned signal governing the movement of a train, or taken off for the train, is correctly operated and such signals are put back to ON immediately after the train has completely passed the signal. However, the position of the points shall not be changed until the whole train has come to a stop at the station or run through the station, except where sectional route release facility is provided.