17th April, 2003
TRANSPORTATION


NEED FOR URBAN MASS RAPID TRANSPORT SYSTEM FOR OUR CITIES

E. Sreedharan*


Urban population in India has been growing at a rapid pace. While the country’s population increased from 361 million in 1951 to 1027 million in 2001, the urban population increased from 62 million to 285 million during the same period. Thus the percentage of urban population to the population of the country went up from 17.2 per cent in 1951 to 27.8 per cent in 2001. The number of cities with population of one million and above steadily increased from 5 in 1951 to 35 in 2001. Out of these, 2 cities have populations between 3 million and 5 million each and 6 cities more than 5 million each.

The urban areas are engines of growth, creating skills and wealth for the nation and generate employment for the millions of migrants from the rural areas. In 1950-51, the contribution of urban India to the net domestic product of the country was only 29 per cent. As per the present economic trends it is likely to have gone up to about 65 per cent by now. Thus less than one-third of the country’s population is contributing about two-thirds of its net domestic product. For the same investment in basic services, a large segment of society can be covered in the urban than in the rural areas.

Scenario

Mobility is a crucial aspect for the economic growth of any urban area. Economic activities such as trade, commerce and industries flourish in areas where accessibility is good and mobility fast and unruffled. Urban transport infrastructure facilities and services are thus amongst the most important factors of the urban economy. Urban development takes place around such activity generators. Substantial contribution to city efficiency is possible only when the people and materials are transported at the minimal investment and operating cost. Thus an able, adequate and efficient transport system permits cities and towns to become catalysts for economic, social and industrial development.

Today the mass transportation in our cities is primarily by roads except that rail-based transport services exist in the metropolitan cities of Mumbai, Chennai and Kolkata. The Indian Railways is operating Electric Multiple Unit (EMU) suburban trains in Mumbai, Kolkata and Chennai to carry commuter traffic from suburbs to the cities. In Delhi, only skeleton suburban rail services exist and buses are almost the only means of public transport.

EMU services have a significant role in Mumbai. In fact, these services are today the life-line of Mumbai. Kolkata, apart from its suburban rail services, has a 16.5-km long metro rail line which is being further extended. Tram services are also operating in Kolkata. In Chennai, besides the suburban rail services, there is an 8.5-km long rapid-transit system from Beach to Luz which is also being further extended. In Delhi a 62 km long metro rail network is under construction and is scheduled to be completed by 2005. The first 8.5 km long Shahdara - Tis Hazari section of this network was commissioned in December, 2002. Kolkata and Kochi can also boast of a fairly well organized ferry system which contributes to mass transportation.

Importance

Public transport system is an efficient user of space and energy with a reduced level of air and noise pollution. As the population of the city grows, the share of public transport, road or rail-based, increases. For a city with populations of one to two million, the share of public transport should be between 50 per cent and 60 per cent, for cities with population of 2 to 5 million between 60 per cent and 75 per cent and for cities with a population of over 5 million between 75 per cent to 80 per cent. As against this the corresponding figures of the present modal split in favour of public transport in our cities is 30 per cent, 42 per cent and 63 per cent respectively. Besides, the existing modal split in favour of public transport is showing signs of decline due to inadequate augmentation of the public transport system, resulting in an excessive increase in the number of personal vehicles. This trend needs to be reversed.

Whether the public transport system on a corridor in the city should be road-based or rail-based will depend primarily on the traffic density during the peak hours on the corridor. Experience has shown that in mixed traffic conditions, comprising slow and fast-moving traffic prevailing in most of our cities, road buses can optimally carry 10,000 peak hour peak direction trips (phpdt). When traffic density on a corridor exceeds 10,000 phpdt, the average speed of buses comes down, journey time increases, air pollution goes up, and commuters are put to increased levels of inconvenience. Thus, when on a corridor, traffic density during peak hours crosses this figure, provision of rail-based mass transport should be considered. In any case, rail-based mass transport may become inescapable if the traffic density on a corridor reaches 20,000 phpdt.

Systems

The rail-based public transport system in the cities can be brought mainly under 3 categories. In tramways the vehicles ply on rails but share the right of way with other road vehicles. Tramways have very limited capacity. They are slow but cause no pollution. Because of their limited carrying capacity they are now being preferred only in affluent towns where the travel demand is not very high. Very rarely, dedicated tramway paths are possible where the roads are wider. If tramways are at level, they clash with other surface transport systems at junctions and crossings.

Buses could be petrol, diesel or CNG-driven or trolley buses with energy drawn from overhead electric wires. In the latter case, buses have to observe a lot of discipline in regard to carriage-way and roads they have to follow. It has been the experience the world over that a road-based system can cope with traffic demand levels of upto 12000 phpdt only.

Another mass urban transport system being talked about these days is the sky bus. In this system coaches suspended from elevated guideways are operated. The elevated guideways are provided on piers erected in the middle of the road. The system has not been implemented anywhere so far and, therefore, experience on it is not available.

Rail

Rail-based transport systems need dedicated right-of-way. They can be brought under two categories. One is intra-urban and the other suburban. Each has its own specific roles and characteristics. Sometimes in rare cases inter-running between the two systems is also achieved. Usually they function as complementary to each other with suitable points of interchange for the commuters. These rail-based systems can carry a very high volume of commuters, even up to 75,000 phpdt. The intra-urban systems which are generally referred to as metro systems are either underground or elevated. The suburban systems are mainly on grade as right-of-way on the surface is feasible only on the outskirts of the cities.

Road-Based Mass Transport

The area covered by roads in our cities is limited. While for a modern city the ratio of road area to the total area should be about 25 per cent, in Kolkata this ratio is less than 6 per cent, in Mumbai about 11 per cent, in Chennai about 12 per cent and in Delhi about 21 per cent. The corresponding figures for London and Paris are 23 per cent and 25 per cent respectively.

The road network in a majority of our cities is characterized by narrow carriageways, poor surface quality and absence or inadequacy of footpaths. In some of the cities, considerable proportion of the arterial roads have a right-of-way of even less than 10 metres. Most of the network has also not been provided with footpaths. Even the limited road capacity is further reduced by way of on-street parking, encroachments by hawkers and shopkeepers on carriageways and footpaths, lack of parking or terminal facilities and existence of mixed slow-moving traffic comprising bicycles, animal-driven vehicles, scooters and hand-carts. For these reasons the vehicular speed in busy centres has come down to 10 km to 15 km per hour during peak hours. Unless remedial measures are taken this situation is expected to worsen in the years to come.

The growth of predominant road-based mass transport system has brought in its wake extreme congestion on the road, high level of pollution, unacceptable levels of road accidents — the road accident rate in India is 40 times more than in U.K. — heavy noise pollution and low average speed.

In the short term, road transport in the city needs to be improved by measures such as widening of roads, prohibition of on-street parking, removal of encroachments, segregation of fast and slow moving traffic, priority to public transport modes like buses over private modes through physical, fiscal and other measures, traffic inter-section improvements, lane disciplining, prohibition of plying of private vehicles during peak hours and providing park-and-ride facility.

Buses in India are built on truck chassis and have engines with high cruising speed and low acceleration. These buses are thus unsuitable for urban areas where speeds are low and these have to stop and move frequently. Besides, a truck chassis is designed for a pay-load of 10 tonnes or more while the pay-load of a bus rarely exceeds 7-8 tonnes. The urban buses have low floor, low cruising speeds, wide doors and high acceleration or de-acceleration. They will not only reduce energy consumption but also result in lesser pollution level. Other technological aspects of buses such as manual steering, low power-to-weight ratio engine, leaf spring suspension, low pressure fuel pumps, engines without turbo-charger, conventional air or hydraulic brake and use of ergonomically designed seats also need to be upgraded. These improvements, if incorporated in our buses, would bring them at par with international standards.

Despite these suggested improvements in road network and bus technology, the road-based mass transport system will optimally cater to those corridors of the city where phpdt does not exceed 10,000. For corridors with phpdt exceeding 10,000, provision of rail-based mass transport system is inescapable.

Rail-Based Mass Transport

Rail-based systems are superior to buses because they provide higher carrying capacity, faster, smoother and safer travel, occupy less space and are non-polluting and energy-efficient. To summarise, a rail-based system needs 1/5th energy per passenger km compared to road-based system; causes no air pollution in the city, has a lesser noise level, occupies no road space if underground and only about 2 metres width of the road if elevated, carries the same volume of traffic as 9 lanes of bus traffic or 33 lanes of private motor cars either way. If it is a heavy capacity system, it is more reliable, comfortable and safer than road-based system and reduces journey time by anything between 50 per cent and 75 per cent depending on road conditions. Rail-based mass transport may be a medium, or heavy capacity system, also referred to as mass rapid transit system (MRTS) or metro system. The medium capacity systems are usually provided on corridors on which phpdt does not exceed 20,000 to 45,000. For traffic densities ranging between 45,000 – 75,000 phpdt, the provision of heavy capacity system becomes necessary. Since the number of commuters to be dealt with is relatively less in the medium capacity system, its trains consist of 3 to 4 coaches and other related infrastructure is also of smaller size. In the case of heavy capacity system, which is to deal with traffic densities ranging from 45,000 to 75,000 phpdt, trains have 8 to 9 coaches and other related infrastructure is also of a larger size.

Across the world the practice is once the population of a city reaches one million mark, they start planning for a rail-based mass rapid transit system so that by the time the population reaches 2 million mark, one or two metro rail lines are already in operation. Thereafter, the system is methodically expanded to serve the rising needs of the city. At present 100 cities of the world have metro railways.

The main reasons for the slow take-off of metros in the Indian cities can be traced to the lack of clear-cut policy or lack of proper institutional arrangements. Lack of resources, legal framework and expertise are also the contributing factors.

Presently, no guidelines have been laid down by the Centre or any other authority indicating when planning for metro in a city has to begin and when it has to become operational. Nowhere has it been laid down as to what should be the level of traffic density and the population of a city to justify for the provision of a metro system.

Institutional Arrangements

Institutional inadequacies have hampered the planned growth of rail-based urban transport in major cities of the country. Today no single Ministry or department of the Central Government is fully responsible for rail-based urban transport. As per Government of India’s ‘Allocation of Business Rules’, whereas ‘general planning and coordination’ of rail-based urban transport systems fall under the purview of the Ministry of Urban Development, ‘technical planning’ of these systems is the responsibility of the Ministry of Railways. This dichotomy acts as a road-block in the growth of the metro railway systems in the country.

To overcome these institutional deficiencies, a single Ministry need to be vested with the total responsibility for planning of rail-based urban transport systems in the country by amending the Government of India’s ‘Allocation of Business Rules’. Towards this end, a multi-disciplinary cell needs to be set up in that Ministry headed by a professional having sufficient expertise and experience in the field of rail-based urban transport. This cell will have total responsibility for planning, including technical planning, coordination and monitoring of rail-based mass transport systems. However, for implementation, operation and maintenance of these systems, Special Purpose Vehicles (SPVs) will have to be set up. The constitution of the Special Purpose Vehicle will depend upon the funding arrangements. For instance, it could be in the nature of a company, with equity participation from Central and State Governments. The urban transport cell of the Ministry shall liaise closely with the SPVs, monitor the progress of the projects and provide requisite technical guidance and support to them from time to time.

Resources

Metro projects are highly capital-intensive. They cannot be justified on financial grounds. Such projects are undertaken on socio-economic considerations. They may also need subsidies for their operation and maintenance. Hence the State Governments need to provide at least 15 per cent of their initial cost, with another 15 per cent being contributed by the Central Government. The balance 70 per cent should be met with debts to be raised by Special Purpose Vehicles from the market or from loans to be secured from agencies like the World Bank and Asian Development Bank (ADB). The debt instruments for raising money from the market should be guaranteed by the State Governments. The loan from agencies like the ADB and World Bank, should be procured by the Central Government but the servicing of such loans as also of the debt instruments shall be the responsibility of the State Governments. Both the Central Government and the State Governments have to provide concessions for such projects in the shape of remission of excise duty, import duty, sales tax and other levies on equipment and materials to keep down the project cost. Besides, land for these projects should be provided free of cost. Metro organisations should also be empowered to raise resources through property development to partly meet the capital cost of the project and reduce the extent of loans required.

The issue of lack of resources for metro rail projects has also been addressed in the 10th Plan document. This document recommends that the Central Government should set up a National Urban Transport Development Fund with ‘seed money’ allocation of Rs.3,000 crore. In addition, an equal amount should be raised through dedicated taxes or cesses taking the total amount available in this Fund to Rs.6,000 crore. The Fund should be the prime mover for making metro rail systems a reality.

Lack of Expertise

Another factor retarding the growth of metro rail systems is the absence of technological skill and a manufacturing base for coaches and other high tech equipment needed for these systems. In fact metro technology is yet to take root in the country.

To partially overcome the technological gaps, the Delhi Metro Rail Corporation(DMRC) has adopted a pragmatic approach in the implementation of the Phase-I metro system in Delhi. DMRC has made it a condition that all contractors, suppliers, manufacturers and consultants should have an Indian partner. By this we hope to obtain a fair level of technology transfer to the country by the time the Phase-I project is completed. It should, therefore, be possible for the country later on to plan and execute metro systems largely with local expertise and resources.

The cities are growing at a rapid pace. The capacity of the roads is limited but the number of vehicles is ever increasing, resulting in slowing down of vehicular speeds, unbearable air pollution, and increase in the number of road accidents. The commuters today are a harassed lot. They are tired enough when they reach their work place. The quality of life has immensely suffered. It is time that the issue of providing an adequate transport system is viewed in proper perspective and no further time is lost in planning and implementing metro rail systems where such a need exists. If, however, laxity persists, it will become extremely difficult for the commuters to reach their work places in time. The number of road accidents will grow, the quality of life will further deteriorate and eventually it is the progress of the country which will suffer. The measures suggested above may, therefore, be put into action as early as possible. Rail-based urban transport system will bring order in the city traffic. They will indeed bring about social and attitudinal changes, inculcating a sense of discipline and cleanliness among the citizens. (PIB Features)

*Managing Director, Delhi Metro Rail Corporation Ltd.

 
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