Signalling MOD Design Process

Signalling MOD Design Process

Signalling MOD Design Process Design Modification 1. Modifications are only used once installation has commenced. i.e on issue of installation copy. 2. Modification sheets are issued with the following aims: a. Expediency of issue b. Clarity of modification 3. Modification process requires strict configuration control of all modifications made to issued sheets. 4. This is […]

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Introduction to Centralized Traffic Control

Introduction to Centralized Traffic Control

Centralized Traffic Control  1. Traffic control system (TCS) or centralized traffic control (CTC) is a block system under which train movements are authorized by block signals whose indications supersede the superiority of trains for both opposing and following movements on the same track. FRA 236.828 2. Signal control – train movements are controlled by signal […]

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Railway Signalling Flexible Screened Multi core cable Cable Routes

Railway Signalling Flexible Screened Multi-core cable Cable Routes Production/ Batch tests  The following test will be performed on every manufactured batch of cable. Spark test: • The test procedure shall be as defined in LU specification E4156. The test shall be performed on the conductor and screen insulation during manufacturer. • Voltage withstand and insulation […]

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Railway Signalling Equipment Treadle Presentation

Railway Signalling Equipment Treadle Presentation What is Treadle? A treadle is a mechanical or electrical device that detects that a train axle has passed a particular location. They are used where a track circuit requires re-inforcing with additional information about a train’s location, such as around an automatic level crossing, or in an annunciator circuit, that sounds a warning […]

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Headway Calculation and Signalling braking Distance for Railway Signal Placement

Headway Calculation and Signalling braking Distance for Railway Signal Placement

Headway Calculation and Signalling braking Distance for Railway Signal Placement HEADWAY FOR NON-STOPPING TRAINS * HEADWAY CALCULATION IS THE NECESSARY FIRST STEP IN SIGNALLING A LAYOUT It provide best engineering solution , which meet the conflicting requirements of Operational capacity, Safety & cost. * HEADWAY IS A MEASURE OF HOW FREQUENTLY TRAINS CAN RUN. IT […]

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European Railway Traffic Management System (ERTMS) Presentation

European Railway Traffic Management System (ERTMS) Presentation ERTMS is a major industrial project developed by eight UNIFE members – Alstom Transport, Ansaldo STS, AZD Praha, Bombardier Transportation, CAF, Mermec, Siemens Mobility and Thales – in close cooperation with the European Union, railway stakeholders and the GSM-R industry.    What is ERTMS?  The European Rail Traffic Management System (ERTMS) […]

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