The Delhi Metro has won awards for environmentally friendly practices from organisations including theUnited Nations,RINA, and theInternational Organization forStandardization, becoming the second metro in the world, after theNew York City Subway, to beISO 14001certified for environmentally friendly construction. Most of the Metro stations on the Blue Lineconductrainwater harvestingas an environmental protection measure. It is also the first railway project in the world to earncarbon creditsafter being registered with the United Nations under theClean Development Mechanism, and has so far earned 400,000 carbon credits by saving energy through the use ofregenerative brakingsystems on its trains. In order to reduce …show more content…
TheRFIDtokens are valid only for a single journey on the day of purchase and the value depends on the distance travelled, with fares for a single journey ranging from Rs 8 (13¢ US) to Rs30 (48¢ US). Fares are calculated based on the origin and destination stations using a fare chart. A common ticketing facility for commuters travelling on Delhi Transport Corporation (DTC) buses and the Metro was introduced in 2011.Travel cards are available for longer durations and are most convenient for frequent commuters. They are valid for one year from the date of purchase or the date of last recharge, and are available in denominations of Rs 200 (US$3.20) to Rs 1,000 (US$15.90). A 10% discount is given on all travel made on it. A deposit of Rs50 (79¢ US) needs to be made to buy a new card which is refundable on the return of the card any time before its expiry if the card is not physically damaged. Tourist cards can be used for unlimited travel on the Delhi Metro network over short periods of time. There are two kinds of tourist cards valid for one and three days respectively. The cost of a one-day card is Rs150 (US$2.40) and that of a three-day card is Rs 300 (US$4.80), besides a refundable deposit of Rs 50 (79¢ US) that must be paid at the time of purchasing the …show more content…
A 380 MHz digital trunked TETRA radio communication system from Motorolais used on all lines to carry both voice and data information. For Blue Line Siemens Transportation Systems has supplied the electronic interlocking Sicas, the operation control system Vicos OC 500 and the automation control system LZB 700 M. An integrated system comprising optical fiber cable, on-train radio, CCTV, and a centralised clock and public address systemis used fortelecommunication during train operations as well as emergencies. For Red and Yellow lines ALSTOM has supplied signalling system and for line Green and Voilet Bombardier Transportation has supplied CITYFLO 350 signalling system.
TheAirport Expressline has introduced Wi-Fi services at all stations along the route on 13 January 2012. Connectivity inside metro trains travelling on the route is expected in the future. The Wi-Fi service is provided byYOU Broadband & Cable India Limited.
A fully automated, operator less train system has been offered to Delhi Metro by the French defense and civilian technologies