Launched in July 2015, the program began with three local authorities and expanded to eleven by 2016 due to positive public response.

Selangor Mobility has now also expanded to DRT services, operating on demand in 8 cities, namely Subang Jaya, Puchong, Petaling Jaya (Bandar Utama - North and Ara Damansara - South), Sungai Buloh, Ampang, UPM Serdang and Hulu Kelang with fixed rate at RM2 per trip.

[2] From 15 March 2021, all passengers are required to install Citizen E-Payment (CEPat) app from the mobile phone and scan the QR code provided on bus entrance in order to board any Smart Selangor buses (and PJ City Bus services from 1 January 2023) with 90 sen fare applies to non-Malaysian passengers.

The service remain free to Malaysians with citizens aged 18 to 59 are required to scan the QR code via CEPat app upon entrance, while the school students and senior citizens are excepted from mandatory QR code scan and instead they have to bring an identify card or passport.

There are 5 bus routes available serving Subang Jaya city centre, Puchong, Bandar Kinrara and Seri Kembangan.

There are 4 bus routes available serving Kajang town centre, Bandar Baru Bangi and Cheras.

There are 4 bus routes available serving Tanjung Sepat, Sepang town, Bandar Baru Salak Tinggi, Kuala Lumpur International Airport (KLIA), Cyberjaya and IOI City Mall.

There are 2 bus routes available serving Banting town and Kuala Lumpur International Airport (KLIA).