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Perth Central Area Transit

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Perth Central Area Transit, commonly known as Perth CAT, is a network of mostly free urban bus services in and around Perth, Western Australia.

Last updated August 25, 2026

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Overview

Perth Central Area Transit, generally branded as Perth CAT or simply CAT, is a network of high-frequency urban bus services associated with the Transperth public transport system in Western Australia. Its core network serves Perth's central business district and adjoining areas, linking major destinations including Perth Busport, Elizabeth Quay Bus Station, Perth railway station, Northbridge, West Perth, East Perth, Kings Park, Leederville, and the University of Western Australia and Queen Elizabeth II Medical Centre precinct. The network is distinguished by its cat logo, which appears prominently on vehicles and is used as an icon on Transperth electronic timetables. Most Perth CAT services are free to passengers and do not require a SmartRider card. The services are funded through the Perth Parking Levy, a mechanism intended in part to support alternatives to private-car travel in central Perth. This fare-free model and the routes' frequent operation make CAT an important part of central-area circulation rather than a conventional long-distance bus network. The service also differs operationally from many other Transperth routes: buses historically stopped at every stop, but newer operating arrangements require passengers to hail an approaching bus and press the bell when they wish to alight. The modern CAT network began on 23 September 1996, when MetroBus introduced the Red CAT and Blue CAT to replace the City Clipper services that had operated since 1973. The Yellow CAT followed in 2002, and the Green CAT was introduced in 2013 to connect Leederville with Elizabeth Quay and help relieve congestion in the central business district. The Purple CAT began in 2022, extending the free CAT concept westward to the University of Western Australia and the major medical centre campus. The principal Perth routes are colour-coded and also carry Transperth route numbers. Blue CAT is route 1 and links Kings Park with Perth Busport through Elizabeth Quay and Northbridge. Red CAT is route 2, connecting West Perth and East Perth, with additional short-working and loop arrangements during periods of high demand. Yellow CAT is route 3, linking Claisebrook station and West Perth. Green CAT is route 5, connecting Leederville railway station and Elizabeth Quay on weekdays. Purple CAT is route 6, linking the University of Western Australia and Elizabeth Quay through the Queen Elizabeth II Medical Centre. The wider CAT family has included services outside central Perth. Joondalup CAT began in 2006 and provides clockwise and anticlockwise circulation around the Joondalup central business district, with an evening university service around the Edith Cowan University campus on operating days. The Fremantle CAT, which developed from the Fremantle Clipper, operated from 2000 until 2023 but was withdrawn after local co-funding was not continued. A separate Surf CAT service between Stirling railway station and Scarborough Beach was announced as a policy commitment in 2025 and subsequently funded for introduction. Related but distinct services operate in Rockingham and Midland; these are not all free and are not part of the core Perth CAT network. Perth CAT is therefore best understood as a public-transport service brand within Transperth, rather than as a standalone corporation or vehicle manufacturer. Its identity combines distinctive cat-themed visual branding, frequent inner-city circulation, free or subsidised travel, and route expansion aimed at connecting major employment, education, health, retail, and visitor destinations.

History

Perth's CAT concept developed from the earlier City Clipper services, which had operated since September 1973 as a central-area circulation service. On 23 September 1996, MetroBus introduced the Red CAT and Blue CAT, replacing the City Clipper branding with a colour-coded network and the cat identity that remains associated with the service. The Blue CAT connected Kings Park, Elizabeth Quay, Northbridge, and the Perth Busport, while the Red CAT served the east–west corridor between West Perth and East Perth. The network expanded with the Yellow CAT on 15 December 2002. Its route connected Claisebrook station in East Perth with West Perth and added another frequent cross-city option. Joondalup CAT began on 9 January 2006, extending the CAT operating model to the Joondalup central business district. It provided clockwise and anticlockwise routes and later added an evening service around the Edith Cowan University campus. From 20 January 2020, Joondalup CAT operations were handled by Swan Transit. A separate Fremantle service also became part of the broader CAT family. The operation originated as the Fremantle Clipper and was reintroduced as Fremantle CAT in August 2000. It developed from a short central Fremantle alignment into a service extending toward South Street, Douro Road, and the Maritime Museum. In 2011, its former figure-eight pattern was divided into Red CAT and Blue CAT loops. The service was reduced during the COVID-19 period after a reduction in City of Fremantle funding: the Red CAT ended in August 2020 and the remaining Blue CAT operated less frequently. The Fremantle CAT was finally withdrawn in October 2023 when local co-funding was not continued. The Green CAT began in 2013, with the service commencing on 30 June or 1 July according to the date convention used in published descriptions. It linked Leederville railway station with Elizabeth Quay Bus Station and was designed partly to reduce congestion in Perth's central area. Unlike the principal daily CAT routes, it operates on weekdays and does not run on weekends or public holidays. The Purple CAT commenced on 27 February 2022. It created a direct free connection between the University of Western Australia and Elizabeth Quay through the Queen Elizabeth II Medical Centre, supporting access to education, health, employment, and visitor destinations. With its introduction, CAT operating practice also changed: passengers were required to signal to an approaching bus and use the bell when they wanted to leave, rather than relying universally on buses stopping at every stop. In February 2025, the Cook ministry announced a proposed Surf CAT linking Stirling railway station and Scarborough Beach bus station through Ellen Stirling Boulevard and Scarborough Beach Road. Following the government's re-election, A$18 million was allocated to the project. The service began on 30 November 2025 as route 420, with seven-day operation, frequent service, and internal racks for surfboards. CAT-style services also exist outside Perth's main network. Rockingham's City Centre Transit System, formerly the Rockingham City Centre Shuttle, operates as route 555 and is distinct because it charges a fare. Midland Gate Shuttle operates as route 300 between Midland station and Midland Gate Shopping Centre and is funded by the shopping-centre owners. These related services demonstrate how the CAT or CAT-like model has been adapted to different metropolitan centres, although Perth CAT itself remains primarily identified with free central-area circulation in the Transperth system.

  • 2025

    Surf CAT introduced

    [1]

    Surf CAT began as route 420 between Stirling railway station and Scarborough Beach bus station, with surfboard storage on its buses.

  • 2023

    Fremantle CAT permanently ceases

    [1]

    The Fremantle CAT ended after the City of Fremantle declined to continue co-funding the free operation.

  • 2022

    Purple CAT launches

    [1]

    Purple CAT began operating between UWA and Elizabeth Quay via the medical centre precinct.

  • 2020

    Fremantle CAT is reduced and partly withdrawn

    [1]

    The Red CAT ended and the remaining Fremantle CAT service was reduced during the COVID-19 funding disruption.

  • 2013

    Green CAT launches

    [1]

    Green CAT began connecting Leederville railway station with Elizabeth Quay on weekdays.

  • 2006

    Joondalup CAT starts

    [1]

    CAT services were extended to the Joondalup central business district.

  • 2002

    Yellow CAT begins

    [1]

    Yellow CAT was introduced between Claisebrook station and West Perth.

  • 1996

    Red CAT and Blue CAT introduced

    [1]

    MetroBus launched the first two modern CAT routes, replacing the City Clipper services.

  • 1973

    City Clipper services begin

    [1]

    The City Clipper services, which preceded the modern CAT branding, began operating in Perth's central area.

Products and positioning

A distinctive, frequent, and mostly fare-free urban circulation network supporting access to central Perth and selected metropolitan activity centres.

  • Urban bus route · 1996

    Blue CAT

    Route 1 links Kings Park with Perth Busport through Elizabeth Quay Bus Station and Northbridge. It operates at approximately 15-minute intervals every day, although some early and late services do not continue to Kings Park from Elizabeth Quay.

  • Urban bus route · 1996

    Red CAT

    Route 2 connects West Perth and East Perth. It operates especially frequently on weekdays, with additional short workings between Forrest Place and West Perth during peaks and a West Perth loop serving Perth Underground and Raine Square.

  • Urban bus route · 2002

    Yellow CAT

    Route 3 links Claisebrook station in East Perth with West Perth. It provides frequent weekday service and somewhat less frequent weekend and public-holiday operation.

  • Urban bus route · 2013

    Green CAT

    Route 5 connects Leederville railway station with Elizabeth Quay Bus Station. It was introduced to support central-area mobility and relieve congestion, and operates on weekdays except public holidays.

  • Urban bus route · 2022

    Purple CAT

    Route 6 connects the University of Western Australia and Queen Elizabeth II Medical Centre with Elizabeth Quay Bus Station. It operates on weekdays and weekends at different frequencies and extends the CAT model into major education and health precincts.

  • Activity-centre shuttle · 2006

    Joondalup CAT

    Joondalup CAT consists of clockwise and anticlockwise services around the Joondalup central business district, identified as routes 10 and 11. An evening route 13 service also circulates around the Edith Cowan University campus on Monday to Thursday when the university is operating.

  • Urban bus route · 2025

    Surf CAT

    Route 420 links Stirling railway station with Scarborough Beach bus station via Ellen Stirling Boulevard and Scarborough Beach Road. The free service operates seven days a week and uses buses equipped with internal racks for surfboards.

  • Former urban bus route · 2000

    Fremantle CAT

    The Fremantle CAT operated in Fremantle from 2000 to 2023, developing from the Fremantle Clipper and later using colour-coded northern and southern loops. Funding reductions during the COVID-19 period led to service reductions before the operation was discontinued.

Brand decisions

  • 2025

    Introduce Surf CATProduct launch

    Background

    The proposed service was intended to connect Stirling railway station with Scarborough Beach and improve public transport access to the coastal destination.

    Action taken

    Following the election commitment, the Western Australian Government allocated A$18 million and launched route 420 on 30 November 2025.

    Aftermath

    The CAT network gained a seven-day coastal route with dedicated surfboard storage.

    Allocated funding. A$18 million (2025)

  • 2023

    End Fremantle CAT operationsStrategy

    Background

    The Fremantle CAT relied on local government co-funding, which had been reduced during the COVID-19 period.

    Action taken

    The Fremantle CAT was discontinued after the City of Fremantle declined to continue co-funding the free service.

    Aftermath

    Some replacement coverage was provided through additional short trips on route 532 along South Terrace.

  • 2022

    Launch Purple CATProduct launch

    Background

    The University of Western Australia and Queen Elizabeth II Medical Centre were major destinations without a direct CAT-branded connection to the central city.

    Action taken

    Purple CAT began operating as route 6 between UWA and Elizabeth Quay via the medical centre.

    Aftermath

    The network expanded westward and adopted a more active passenger-signalling process at stops.

  • 2013

    Add the Green CAT corridorProduct launch

    Background

    Additional central-area capacity was sought to improve circulation and help address congestion in Perth's business district.

    Action taken

    Green CAT was introduced between Leederville railway station and Elizabeth Quay Bus Station.

    Aftermath

    The network gained a weekday-only northwestern corridor connecting Leederville with the central waterfront and bus interchange.

  • 1996

    Replace City Clipper with CAT brandingStrategy

    Background

    Perth's earlier City Clipper services had operated since 1973, but the modern network was reorganised under the CAT identity.

    Action taken

    MetroBus introduced the Red CAT and Blue CAT on 23 September 1996.

    Aftermath

    The colour-coded CAT model became the basis for subsequent route additions and metropolitan extensions.

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