How were local or suburban trains numbered before 2011? Or, what were the exceptions to the 4-digit scheme?

June 22, 2019, 1:41 PM

Local and suburban trains

Passenger services within a zone sometimes had just two or three digits, not conforming to the pattern above, and sometimes prefixed with codes indicating the station they served (e.g. ‘LK21’ passenger service from Lucknow; ‘DK-1’ for the Delhi-Khurja EMU; ‘AD-3’ for one of the Aligarh-Delhi MEMUs; etc. SR ran EMU services between Tambaram and Egmore numbered S-2, S-7, etc.). These one-, two- or three-digit numbers were not unique across IR, i.e., they may have been repeated in other zones. Occasionally, they were even repeated within a zone, with an ad hoc prefix or other disambiguating indication. Some zones had their own conventions. E.g., from about 2005, SCR indicated DEMU trains with a ‘D’ prefix (e.g., ‘D142’ Nidadavolu-Bhimavaram Passenger), and MEMU trains with an ‘M’ prefix (e.g., ‘M167’ Warangal-Hyderabad Passenger). In addition, SCR railcar services had an ‘RC’ prefix (e.g., ‘RC-6’ Kinvat Adilabad railcar).

Suburban services in Mumbai, Kolkata, Chennai, and other metropolitan areas had their own 1-, 2-, and 3-digit numbering schemes, sometimes with alphabetic prefixes or suffixes.

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Konkan Railway

Konkan Railway trains often added a “KR” prefix to the long-distance train numbers, which were often shorter than 4 digits, and did not always use the leading “0” digit in the 4-digit versions. For example, the KR3 / KR4 service was also given the numbers 1113/1114 (no leading 0’s). Similarly, KR5 / KR6 was the Diwa-Savantwadi train, and KR7 / KR8 was the Savantwadi-Madgaon train. Variations existed: 0111/0112 Konkan Kanya Exp. was also referred to as the KR1 / KR2, or sometimes KR0111 / KR0112. So in these cases KR trains did not follow the numbering system used by IR trains.

Local trains and DMU services on KR used a system where the termini of a service were indicated by an alphabetic prefix. E.g., Karwar was ‘KA’, Kudal was ‘K’, Ratnagiri was ‘RN’, and Madgaon was ‘M’; so the Karwar-Kudal DMU service was numbered KAK1 / KAK2, the Kudal-Ratnagiri DMU service was KRN1 / KRN2, and the Karwar-Madgaon service KAM1 / KAM2.

Holiday Specials

Usually, holiday specials had 3-digit numbers, where the first digit indicated the zonal railway that operated the train. (Note: This was true only for holiday specials; normal passenger trains that had 3-digit numbers never followed this rule, since the numbers were internal to the zone.) Fast trains among these, and trains that are given priority for various reasons, had a 3-digit number starting with ‘2’.

Source – IFRCA.org

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