Control Tables for Railway Signalling
Control Tables are used in Railway Signaling to convert specifications of the signaling requirement specifications to a form which can be applied to the design environment. The design environment in turn is matched to control tables so this process allows the signal specifications to be seamlessly adopted to the design of the signaling system.

Control table as the name implies is a table. Control Table of a signaling system is normally prepared one for each interlocking  unit and includes several tables. While there can be variations in the tables which are made depending on the system as well as practices followed there are two tables which always forms part of a control table

  • Signal Interlocking table
  • Points Control Table