Information About Axle Counter,Track Structure Point & Crossing,Cable Schematics,CBTC Equipment,Overlaps,Core Plans,Earthing,ERTMS,Headway Calculation,Hot Axle Box Detectors,Interface Design,Level Crossing,Markers & boards,Bonding Plan Electrical Lockings,Route locking,Automatic Warning Systems AWS,Point Circuit,Equipment Treadle,Track Layout,Track Circuit Interrupters,Train Protection Warning System (TPWS),Slip Siding & Catch Siding.
Constraints on Positioning of Stop Signals 1.Position of Signals relative to Facing Points Where a signal reads over facing points, it shall be positioned not more than 800m from the first set of facing points so that risk due to following is minimised: I.Likelihood of the driver forgetting the indicated route II.The ability to accelerate […]
Continue Reading
PROVISION OF LINESIDE SIGNALS This document defines the mandatory requirements for the provision of lineside signals and the sequences in which signal aspects shall be presented to the drivers, in respect of plain line, diverging junctions and the bi-directional lines. PROVISION OF STOP SIGNALS PROVISION OF STOP SIGNALS – 1 Running lines A stop signal […]
Continue Reading
Railway Junction Signalling and Robust Train Protection Signalling Principles Network to deliver High Quality Train Performance Previous Signalling: Based on a narrow set of Rolling Stock characteristics AND Assumed exemplary Driver performance AT ALL TIMES Realistic future expectations Drivers NOT perfect so need more useful information Provide ‘back-up’ plan for inevitable overrun ‘Back-up’ plan should […]
Continue Reading
Railway Migration Thales Migration is the staged process of changing from the existing signalling system to the new TBTC system for the Jubilee and Northern Lines. As each phase of migration is introduced, a new boundary with the existing system is created and the boundary from the previous phase is removed. Trains retain their existing […]
Continue Reading
RAILWAY HVI AND AUDIO FREQUENCY TRACK CIRCUITS|INTRODUCTION|PRINCIPAL OF OPERATION|TRACK CIRCUIT LENGTHS|WIRING DIAGRAM|APPLICATION RAILWAY HVI AND AUDIO FREQUENCY TRACK CIRCUITS INTRODUCTION PRINCIPAL OF OPERATION TRACK CIRCUIT LENGTHS WIRING DIAGRAM APPLICATION
Continue Reading
Introduction of British Railway Signalling Essentials of Interlocking 1. The essentials of safe and efficient signalling system are: 2. The concentration of control of points and signals in a signal box. 3.The interlocking of points and signals. 4. Electric/telegraphic communication between adjacent signal boxes. 5. The block signalling system and the regulations for its operation. […]
Continue Reading