Queensland State Government sets rules about parking in their ''Transport Operations (Road Use Management—Road Rules) Regulation 2009'. This states that:
(1) The driver of a heavy vehicle, or long vehicle, must not stop on a length of road that is not in a built-up area, except on the shoulder of the road. Maximum penalty—20 penalty units.
(2) Subject to subsections (2A) and (2B), the driver of a heavy vehicle, or long vehicle, must not stop on a length of road in a built-up area for longer than 1 hour, unless the driver is permitted to stop on the length of road for longer than 1 hour by information on or with a traffic control device. Maximum penalty—20 penalty units.
(2A) The driver of a heavy vehicle, or long vehicle, may stop on a length of road in a built-up area for longer than 1 hour if the driver is engaged in dropping off or picking up goods for all of the period when the vehicle is stopped. (2B) Subsections (2) and (2A) apply unless a local law otherwise provides.
(3) In this section— heavy vehicle means a vehicle with a GVM of 4.5t or more. long vehicle means a vehicle that, together with any load or projection, is 7.5m long, or longer. Road does not include a road-related area, but includes any shoulder of a road.
Source: Page 199, #200, www.legislation.qld.gov.au (PDF)
In response to safety and community concerns, Council staff regulate this on behalf of the State Government.