On 19 July 1926, the Federal Capital Commission commenced operating public bus services between Eastlake (now Kingston) in the south and Ainslie in the north.

[9][10] The starting date of the new bus network was pushed back to 29 April 2019 due to delays on the construction of the Light Rail.

[15] Route R2 is a limited stop service between Fraser, Kippax, Belconnen, City, Parkes, Barton and Iron Knob Street, Fyshwick (at the Canberra Outlet Centre).

[16] Route R3 is a limited stop service between Spence, Belconnen, City, Russell Offices and Canberra Airport.

[19] Route R6 is a high-frequency link between the City, Parkes, Barton, Kingston, Manuka, Narrabundah, the Canberra Hospital and Woden.

During weekends and public holidays, ACTION provides a reduced level of service with most suburban routes operating with an hourly or two-hourly frequency.

ACTION operates 3 weekday peak hour routes as an express service between outer suburbs of Tuggeranong and the City.

ACTION trialled a shuttle bus loop service from Canberra Airport to the Fairbairn Business Park on a three month trial basis.

The MyWay system uses Parkeon software and equipment including Wayfarer 200 consoles[30] and Axio card readers.

Passengers may load a bicycle onto the rack for free, but must pay a regular fare to travel on the bus.

[46][47] ACTION's Special Needs Transport division operates a fleet of eighteen Mitsubishi Fuso Rosa minibuses.

With industrial action in England causing a shortage of both chassis and parts at a time Canberra was undergoing phenomenal growth, in February 1974, 12 Leyland OPS2/1s were hired from the Public Transport Commission.

[56][57] In 2001, 17 former North & Western Bus Lines Hino RG197Ks were leased from Sydney Buses for a short period.

[58][59] In February 2004, 20 Custom Coaches bodied Irisbus Agoras built for, but not delivered to King Brothers entered service.

In 1973, a yellow body with arctic green window surrounds and light blue stripe livery was introduced.

Since April 2019, several major routes stop in the part of Aligna Street to the west of Northbourne Avenue, but it continued to be open to traffic until 26 July 2019.

Woden and Tuggeranong Interchange are off street stations which permit access only to buses, essential traffic and emergency vehicles.

Additional stops are located on Emu Bank and Eastern Valley Way which are serviced by most routes which travel through Belconnen Town Centre.