signal overlap definition
signal overlap means the adequate distance not less than one hundred twenty meters beyond the next stop signal which is required to be kept clear in order to take ‘off’ a stop signal;
signal overlap means the adequate distance which is required to be kept clear in order to take ‘OFF’ a home signal. This adequate distance shall not be less than 100 mtrs. in TALQ/TACL signalling and 75 mtrs. in MACL/MAUQ and Modified Lower Quadrant signalling. At large junction stations which are not terminal stations and which have more than one Home signal, the signal overlap beyond the Starter signal may be reduced upto 50 mtrs. under special instructions. It can further be reduced under approval of Railway Board.