Tc Classes Of Signals

Front 1

Approach Signals

Back 1

Put where needed to control speed of train. Triggered by incoming train. When signal in advance is at stop then approach signal at stop for a set amount of time then displays proceed.

Front 2

Arrival Signal

Back 2

Signals controlling the entrance to a crossing station. Track Warrant only.

Front 3

Departure Signals.

Back 3

Controls the entry into a Block Section where movements are signalled in BOTH DIRECTIONS.

Front 4

Directing Signals

Back 4

Used in station yards for directing trains to various platforms and sidings, and for protecting the lines to which they apply.

Front 5

Home and Outer Home Signals

Back 5

A home signal authorises entry into a station and defines the start of station limits.

Front 6

Intermediate Signals

Back 6

Non-controlled signals to divide block areas and some stations into smaller chunks to allow more train movements.

Front 7

Starting Signals

Back 7

Controls entry into a Block Section where movements are signalled in ONE DIRECTION only.