Vihar Railway Terminal and Sarai Rohilla. In addition to the Delhi Metro, a suburban railway, the Delhi Suburban Railway exists.
Roads
As of 2007, private vehicles account for 30% of the total demand for transport. At 1922.32 km of road length per 100 km, Delhi has one of the highest road densities in India. Delhi is well connected to other parts of India by five National Highways: NH 1, 2, 8, 10 and 24. Roads in Delhi are maintained by MCD (Municipal Corporation of Delhi), NDMC, Delhi Cantonment Board, Public Works Department (PWD) and Delhi Development Authority.
Delhi's high population growth rate, coupled with high economic growth rate has resulted in an ever increasing demand for transport creating excessive pressure on the city's existent transport infrastructure. As of 2008. Also, the number of vehicles in the metropolitan region, i.e., Delhi NCR is 112 lakhs (11.2 million). In 2008, there were 85 cars in Delhi for every 1,000 of its residents. In order to meet the transport demand in Delhi, the State and Union government started the construction of a mass rapid transit system, including the Delhi Metro. In 1998, the Supreme Court of India ordered all public transport vehicles of Delhi to use compressed natural gas (CNG) as fuel instead of diesel and other hydro-carbons.
The Delhi-Gurgaon Expressway connects Delhi with Gurgaon and the international airport. The DND Flyway and Noida-Greater Noida Expressway connect Delhi with two prosperous suburbs of Noida and Greater Noida.
Buses are the most popular means of transport catering to about 60% of the total demand. The state-owned Delhi Transport Corporation (DTC) is a major bus service provider for the city. The DTC operates the world's largest fleet of environment-friendly CNG buses. Delhi BRTS is Bus rapid transit serving the city which runs between Ambedkar Nagar and Delhi Gate
