Klang Valley Integrated Transit System

The Klang Valley Integrated Transit System is a railway network that primarily serves the area of Klang Valley and Greater Kuala Lumpur. The system currently consists of 11 fully operating rail lines; two commuter rail lines, five rapid transit lines, one bus rapid transit line and two airport rail link to Kuala Lumpur International Airport and another one to Subang Airport.

History
Initially, different competing companies had operated the various systems and had developed these rail systems separately and at different times. As a result, many of these rail lines do not integrate well with the others or with the overall rail system itself, making transferring from system to system inconvenient for the passengers. Moving from one rail system to another often require a lot of walking, stair-climbing and escalator-use. The integrated ticket for all rail-based systems, such as cards, would help any passenger transfer seamlessly across all stations in the rail system.

Integration
Since 28 November 2011, the paid areas of shared stations along the Rapid KL system for the LRT Kelana Jaya lines, LRT Ampang and Sri Petaling lines, as well as the KL Monorail from 1 March 2012, has been integrated physically under a common ticketing system, effectively making those stations into interchange stations. This enables commuters to transfer between lines the interchange stations without buying a new ticket each time, provided that they do not exit the paid area. This is currently possible at the Titiwangsa, Hang Tuah, Putra Heights and Masjid Jamek stations. With the addition of the latest rapid transit line on 17 July 2017, the MRT Sungai Buloh-Kajang line, the integrated system has been expanded to Pasar Seni, Merdeka-Plaza Rakyat and Maluri stations.

The Touch 'n Go stored value fare card is accepted as mode of payment on the Rapid Bus, LRT, MRT and monorail lines, as well as the KTM Komuter, easing the hassle of buying separate tickets for travelling on different networks. However, the fare integration for the Rapid KL system does not include other rail systems such as KTM Komuter and Express Rail Link.

Rapid Rail, the operator of the LRT, MRT, monorail, BRT lines as well as Rapid Bus (which covers about 70% of the Klang Valley's bus network), has launched a daily bus ticket which costs as low as RM1, and an integrated transit daily pass which can be used on both its rail and bus services costing RM7.

The Integrated Cashless Payment System (ICPS)
Once implemented, the ICPS solution will provide commuters with a seamless and convenient travel experience. The benefits of the ICPS solution are: Commuters will also save a substantial amount of money on public transport once the ICPS solution has been implemented: The ICPS solution is currently in development and is projected to be used by an estimated 1 million passengers daily in its first year of operation.
 * Barrier-free travel between different rail systems
 * Multiple options for e-payment, including Common Prepaid Cards, bankcards/debit cards, and mobile applications such as Apple Pay and Android Pay
 * Reduced queuing at stations and less station congestion
 * The promotion of a cashless society
 * No transfer premiums will be charged for integrated journeys
 * Special discounts will be given for customised products, suited to each group of commuters within the Klang Valley

System network
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KTM Komuter was introduced in 1995 as the first rail transit system to provide local rail services in Kuala Lumpur and the surrounding Klang Valley suburban areas. Light rapid transit and monorail line were introduced later on as to serve urban Kuala Lumpur area and its satellite cities, e.g. Ampang, Petaling Jaya, Gombak, etc. While the Mass Rapid Transit (MRT) Sungai Buloh-Kajang (SBK) line aims to connect from the north west region of Kuala Lumpur, e.g. Sungai Buloh, Damansara to the south east region of Kuala Lumpur, e.g. Cheras, Kajang through the heart of the Kuala Lumpur City Centre.

Proposed lines
The construction for the second MRT line, was started in November 2015. The third light rapid transit line, the is also under the construction phase.