Adelaide Metro buses are split up geographically into six regions, each contracted to a private operator: There are 4 main lines and 2 branch lines on the Adelaide Metro rail network, spanning approximately 132km of track.
[6] The Seaford, Flinders and Gawler lines are fully electrified, and are operated by A-City 4000 Class trains.
The Outer Harbor, Grange and Belair lines are currently operated by diesel-powered 3000 class railcars.
[7] City to Gawler via Mawson Lakes, Salisbury, Elizabeth and Smithfield (Monday to Friday only) City to Salisbury via Mawson Lakes (Monday to Friday only) City to Osborne via Woodville, Port Adelaide, Glanville and Taperoo (Monday to Friday only) Entertainment Centre to South Terrace via Adelaide railway station, Rundle Mall and Victoria Square (Monday to Friday Only) The Adelaide Metro bus network is considered the back-bone of Adelaide's public transport network.
The system also features the O-Bahn Busway, which is a Guided bus service that runs on concrete 'guide' tracks.
Service operates express between stop 28 Sudholz Road and City (no pick up or set down).