Glossary of common terms in use in Railway Statistics

Glossary of common terms in use in Railway Statistics
1. Authorised stock-locomotives/vehicles/wagons – This is the sanctioned allotment of
stock for a railway and includes stock ordered for or under construction but not handed over to
traffic. Stock sold or broken up but not replaced or removed from authorised stock is
included. Stock replaced but still running is not included. (See instructions for compilation of
item 1 of Monthly Statement No. 4-A and items 1 and 5 of Monthly Statement No. 4-B).
2. Average haul or lead of traffic – represents the average distance each passenger or
tonne of goods is transported.
3. Brake van – A vehicle provided with apparatus by means of which the movement of
the vehicle can be retarded and stopped and used for the purpose of retarding the movement of
other vehicles to which it is coupled, also, in some cases, the vehicle from which the braking
apparatus on other vehicles is controlled. A vehicle is not reckoned to be a brake van if it
provides accommodation for any traffic.
4. Capital-at-charge – Book value of the capital assets of the Railways.
5. Capital outlay – Expenditure of capital nature incurred during the period with the
object of increasing concrete assets of a material character.
6. Cross traffic – All traffic which neither originates nor terminates on the reporting
Railway or on the same section of a gauge for which the return is being prepared.
7. Departmental train – Trains run for the Revenue or Capital works of an open line,
and also of workmen’s and inspection trains, pilot or patrol trains run in front of trains for the
protection of the latter, etc. Railway coal trains are, however, not to be treated as departmental
trains (See paragraph 25 of General Instructions).
8. Depreciation reserve fund – This fund provides for the cost of renewals and
replacements of assets as and when they become necessary (See para 740 of Indian Railway
Administration and Finance – An Introduction).
9. Pension fund – This fund was created with effect from 1st April, 1964 to even out the
charges and to provide not only for the current payments to retired pension opting staff but
also to provide from Revenue/Capital each year the accumulated liability for the pension
benefits earned by each pension opting staff for each year of service in the same way as
provision is made for Depreciation Reserve Fund (See para 747 of Indian Railway
Administration and Finance – An Introduction).
10. Density – The volume of traffic moving between any two points on the railway
system. It is expressed in terms of passenger kilometres or net tonne kilometres and train
kilometres per running track kilometre or route kilometre.
11. Development fund – This fund was instituted with effect from 1st April, 1950 and is
intended to finance expenditure on :
(a) amenities for all ‘users of railway transport’;
(b) labour welfare works costing individually above the new minor works limit;
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(c) expenditure on un-remunerative operating improvement works; and
(d) cost of construction of quarters for class III staff.
The fund was instituted w.e.f. 01.04.1950. The appropriation to this fund is from the
surplus of the Railway but when the amount of surplus is not adequate to meet the
expenditure, a temporary loan is obtained from general revenues (which is returned with
interest whenever the revenue is surplus) to the finance.
The expenditure to be met out of this fund i.e., expenditure on amenities for the user of
the Railway Transport, staff works and re-remunerative operating improvements beyond
certain financial limits namely;
DF-I Cost of Works(Construction): Under passenger and other users, amenities like
construction waiting room, covers of platforms, drinking water and sanitation facilities,
parking facilities, retiring room facilities, bed roll services, construction of Rail Yatri Nivas,
computerized reservation facilities etc.
DF-II: Cost of Works under labour welfare, each costing overt Rs.3 Lakhs like
hospitals, schools, hostels, sports grounds, holiday homes, welfare centres, community hall,
library, institutions etc. If the cost of work under this head is Rs.3 Lakhs or less then it will be
charged to OLWR.
DF-III: Cost of works under un-remunerative operating improvements costing over
Rs.10 Lakhs like conversion of halt stations into crossing stations, modification of signals,
interlocking systems, extension of loop lines at stations etc. If the cost of any work under this
head is Rs.10 Lakhs or below it will be charged to OLWR.
DF-IV: Cost of safety works.
(See para 746 of Indian Railway Administrative and Finance – An introduction).
12. Empty running – The running of vehicles empty, i.e., without being loaded.
13. Engine – See ‘locomotive’.
14. Engine (effective) – An engine effective is one, stored or not stored, in condition for
use.
15. Engine failures – An engine is considered to have failed when it is unable to work its
booked train within the prescribed load from start to destination or causes a delay in arrival at
destination of a specified period, namely 30 minutes or more in case of passenger trains hauled
by diesel electric and electric engines and 60 minutes or more in all other cases due to
defective design or material or bad workmanship in shed/workshop or mismanagement by
crew or bad water/fuel. (See detailed instructions for compilation of item 13.01 of Statement
No. 4-A).
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16. Engine kilometer – An engine kilometer is the movement of an engine, under its own
power, over a distance of 1 kilometre.
17. Engine-under or awaiting repairs – is one being repaired in shop or running shed or
awaiting workshop repairs or in transit to and from shed/workshop and also moved dead to
and from shed/workshop on mechanical and electrical account (See instructions for
compilation of item 3 of Monthly Statement No. 4-A).
18. Equated track kilometres – Kilometrage of track equated to a standard unit by giving
weightage for factors of traffic density, gradient, formation of soil, alignment (curves), rainfall
and track connections and layouts. (See instructions for compilation of Annual Statement
No.30 in the Manual of Statistical Instructions- Vol.II).
19. Fare – Money realized by the railways from transportation of persons.
20. Full wagon load – Consignment of goods traffic necessitating the use of one or several
wagons without the wagon or wagons having necessarily to be loaded to their full capacity.
(See instructions for compilation of Statement of Commodity Loadings).
21. Gross earnings – The true earnings in an accounting period whether actually realized
or not. (See para 308 of Financial Code, Volume I).
22. Gross receipts – Earnings actually realized during an accounting period. (See para 308
of Financial Code, Volume I).
23. Gross tonne kilometre (excluding weight of engine) – Unit of measure of work
which corresponds to the movement over a distance of one kilometre of one tonne of
vehicle/wagon and contents excluding the weight of the motive unit.
24. Gross tonne kilometer (including weight of engine) – Unit of measure of work
which corresponds to the movement, over a distance of one kilometre of one tonne, including
the weight of the motive unit vehicle and contents.
25. Gross weight (of a vehicle or a train) – Total weight of a vehicle or group of vehicles
equal to the tare plus the load.
26. Hot boxes – Every journal which runs warm necessitating a vehicle, wagon or brake
van being detached from a load from the commencement of the journey to its booked
destination inclusive, should be considered a hot box. If both journals of an axle run warm,
they are to be counted as two hot boxes. (See instructions for compilation of item 10 of
Monthly Statement No.4-B).
27. Length of electrified lines – Length of lines provided with an overhead trolley wire or
with a conductor rail.
28. Loading or carrying capacity of a vehicle or wagon – The extent to which the
vehicle can normally be loaded as shown by the wagon or van marking. The capacity is
expressed for passenger stock in the number of seats/berths available and for parcel and goods
stock in tones.
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29. Local traffic – The expression ‘Local traffic’ when used with reference to a railway
means traffic originating and terminating at stations within the limits of that railway without
passing over any other railway. Existing practices under running power arrangements will,
however, continue.
30. Locomotives – Rail vehicle either with prime-mover and motor or with motor only
(electric locomotive) used for hauling other vehicles. A distinction is made between steam
locomotives, electric locomotives, diesel locomotives, etc., according to the type of motive
power used.
31. Locomotive, steam – A locomotive, steam, is one propelled by power supplied from a
steam engine.
32. Locomotive, diesel-electric – A locomotive, diesel-electric, is one propelled by
electricity supplied from diesel electric type internal combustion prime mover and irrespective
of the number of units used.
33. Locomotive, diesel hydraulic and mechanical – A diesel hydraulic and mechanical
locomotive is one propelled by hydraulic transmission where engine torque is multiplied by a
hydraulic torque convertor, irrespective of the number of units used.
34. Locomotive, electric – A locomotive, electric, is one propelled by electricity supplied
from an external conductor, regardless of whether storage batteries are used as an auxiliary
source of power and irrespective of the number of units used.
35. Mean kilometrage – The length of the railway, calculated according to the definition
of route kilometrage allowing for changes in the kilometrage during the period covered. Thus,
the mean kilometrage worked during a year which has had an addition/closing during the year
will be as follows :-
(a) Route kilometrage at commencement of a year (plus/minus) ;
(b) (Number of days the new section/section closed was in use during the year)
multiplied by (the length of the new section/section closed) and divided by (the
number of days in the year).
36. Net earnings – The difference between the gross earnings and the working expenses,
excluding suspense but including appropriation to Depreciation Reserve Fund and Pension
Fund.
37. Net load, net tonnage – The weight of passengers, baggage or goods conveyed by a
vehicle (coach, wagon, etc.,) or by a group of vehicles (trains).
38. Net revenue – Difference between the gross earnings and the working expenses after
the payment of dividend to General Revenues, payment to worked lines and other net
miscellaneous expenditure.
39. Net tonne kilometer – Unit of measure of goods traffic which represents the transport
of one tonne of goods (including the weight of any packing, but excluding the weight of the
vehicle used for transport) over a distance of one kilometre.
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40. Net-revenue traffic – Traffic conveyed by rail for the working of the railway and for
which commercial tariffs are not charged.
41. On cost – Expenditure incurred on jobs which cannot be charged direct to the cost of
articles manufactured or work done.
42. Operating ratio – The ratio of working expenses (excluding suspense but including
Appropriation to Depreciation Reserve Fund and Pension Fund) to gross earnings.
43. Passengers carried – refers to the number of passengers originating on each railway
as well as the number of passengers received from other railways and also those crossing the
railway (See instructions for compilation of item 2 of Monthly Statement No. 6-C).
44. Passenger kilometre – Unit of measure of passenger traffic corresponding to the
conveyance of a passenger over a distance of one kilometre.
45. Passengers originating – means number of passengers booked from each gauge of the
railway (See instructions for compilation of item 1 of the Monthly Statement No.6-A).
46. Rail cars-internal combustion engine propelled – are self propelled vehicles the
prime movers of which are internal combustion engines (See instructions for compilation of
Monthly Statement No.8).
47. Rate – Price fixed by the tariff for the conveyance of a unit of parcels, luggage and
goods.
48. Repairs, first class – First class or unit repairs relate to repairs of locomotives where
the percentage allowances come to hundred.
49. Revenue earning traffic – Traffic conveyed by rail and for which commercial tariffs
are applied i.e., for transportation of which the railway is paid by either the consignor or the
consignee.
50. Revenue reserve fund – This Fund consists of appropriation out of the surplus of net
revenue receipts of railways and is utilized primarily for maintaining the agreed payments to
general revenues and for making up any deficit in the working of the railways. (See paras 744
and 745 of the Indian Railway Administration and Finance – An Introduction).
51. Revenue tonne-kilometre – Unit of measure of public goods traffic which represents
the transport of a quantity of goods charged for as one tonne over a distance counted in the
tariff as one kilometer.
52. Rolling-stock – All railway tractive and transport vehicles, including travelling cranes.
53. Rolling-stock – locomotive/vehicle/wagon-on line – is one which is actually on the
track of the reporting railway system. Stock owned by it but absent on other railways are
excluded and those of other railways running on its line are included.
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Coaching vehicles of other railways running on the line temporarily as forming part of
through trains are, however, excluded from coaching vehicles on line. They are included by
the owning railway. (See instructions for compilation of item 2 of Monthly Statement No.4-A
and items 2 and 7 of Monthly Statement No. 4-B).
54. Route kilometer – Distance of each gauge owned by a railway including its worked
lines treated as a single line.
55. Running power – refers to the arrangement by which a railway runs its trains on lines
owned by another railway.
56. Running track kilometer – In addition to the route kilometrage, the extra distance of
multiple tracks i.e., double, treble, etc., tracks shall be treated as two or three or more tracks
but shall exclude the track in sidings, yards and crossings at stations.
57. Seat kilometer – Unit of measuring the carrying capacity of a passenger vehicle which
is equivalent to the movement of one seat available in a coach or motor vehicle over a distance
of one kilometer.
58. Shunting – Operation of moving a vehicle or rake of vehicles inside a station,
marshalling yard or other railway installations (depots, workshops, etc.) which are not
considered as a train movement.
59. Siding - Commercial sidings – are to show assisted sidings build for private
individuals local requirements, sidings in the coal fields leading to a particular colliery, etc.
Transportation sidings – are to show crossings, loops at stations, relief sidings, sidings in the
coal fields not used solely for a particular colliery, etc.
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60. Smalls – Goods consignments whose weight and dimensions do not require the
exclusive use of a wagon. Several smalls consignments may consequently be loaded in the
same wagon.
61. Staff – All employees paid directly by the railway administration (except casual
labour).
62. Stores – Supplies of materials or parts whether purchased externally or manufactured
in railway workshops required for working the railway.
63. Suburban traffic – Passenger traffic moving in metropolitan areas (at present in
Mumbai, Kolkata and Chennai) where special concessional rates for season tickets are
applicable is termed as suburban traffic.
64. Suspense – Difference between true earnings/working expenses in an accounting
period whether or not actually realized/disbursed and earnings/working expenses actually
realized/disbursed during an accounting period. (See para 308 of the Financial Code Vol.I).
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65. Through traffic – This expression refers to transport on interchange traffic beyond the
limits of a single railway system.
66. Tonnes carried – This represents the quantum of goods originating on each railway as
well as the quantum of goods received from other railways/gauges and also those crossing the
railway.
67. Tonne kilometer – Unit of measure which represents the movement of one tonne over
a distance of one kilometer.
68. Tonnes terminating – include tones of all traffic terminating on the gauge whether
they originated on the home line or on other railways.
69. Tonnes originating – This includes tones of all traffic originating on each gauge,
whether it terminates on the gauge itself or on some other gauge of the home line, or on other
railways.
70. Track kilometer – Distance of each gauge owned by a railway including its worked
lines treated as a single line and the extra distance due to double, treble, etc., tracks, as also the
length of sidings, etc.
71. Train engine hours – are to show the hours during which engines are employed on
trains, counting in each case from the time the engine starts with the train, until it reaches the
station at which the engine terminates its run with the train. (See paragraph 40 of General
Instructions).
72. Train kilometer – Unit of measure of distance which corresponds to the movement of
a train over one kilometer.
73. Transhipment – Transfer of goods from one vehicle to another of the same or
different gauges.
74. Turn round of a wagon – Interval of time between two successive loadings of a
wagon.
75. Van – Railway vehicle attached to a passenger or goods train and used by the train
staff and/or for the conveyance of any baggage, parcels, etc.
76. Vehicle, passenger (passenger carriages) – Railway vehicle used for the carriage of
persons.
77. Vehicle/wagon day – Unit of measure of the potential use of vehicles/wagons, which
corresponds to one vehicle/wagon being present on the system during one day. (See item 7.01
of Monthly Statement No.1-B and item 10.01 of Monthly Statement No.2).
78. Vehicle/wagon effective – A Vehicle/wagon effective, is one in serviceable condition
available on a railway and is either in traffic or available for traffic use.
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79. Vehicle/wagon kilometer – Unit of measure of distance which corresponds to
movement of a vehicle/wagon over a distance of 1 kilometre.
80. Vehicle/wagon, under or awaiting repairs – is one being repaired in a shop or sick
lines or awaiting entrance into a shop for repairs. (See instructions for compilation of items 3
and 8 of Monthly Statement No.4-B).
81. Wagon – Railway vehicle used for the carriage of goods.
82. Wagon, covered – Wagon of a watertight nature by virtue of the construction of the
vehicle (completely covered on roof and sides), also characterized by the security of transport
(possibility of locking and/or sealing the wagon).
83. Wagon, loaded – refers to a wagon loaded with goods traffic.
84. Wagon, open – Wagon not fitted with a roof. It may be either high sided, low sided or
without side.
85. Wagons owned – includes total number of wagons owned by a railway whether
against authorized stock or stock which has been replaced but still running. (See instructions
for compilation of item 6 of Monthly Statement No.4-B).
86. Working expenses – Expenditure incurred in connection with the administration,
operation, maintenance and repairs of lines opened for traffic. This also includes
appropriation to Pension Fund and the contribution made to the Depreciation Reserve Fund to
meet the cost of replacements and renewals. (See para 737 of Indian Railway Administration
and Finance – An Introduction).
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