Highway. Driving time is seven and a half hours from Brisbane to Rockhampton. Rockhampton is also served by long-distance coaches to Brisbane in the south, and as far as Cairns in the north. Daily services operate into Rockhampton with Greyhound Australia. The Hinterland and Central Highlands are also serviced daily by Rothery's Coaches, Pacific Coaches and Emerald Coaches. Bus services are operated by Sunbus Rockhampton, which operates under the QConnect public transport system. Two bus interchanges are located in Rockhampton City through which the majority of services operate. Service include most parts of the city, Parkhurst in the north to Allenstown and Depot Hill in the south and to The Range and Lakes Creek in the west Rockhampton has one major taxi company, Yellow Cabs, who service the City of Rockhampton, Gracemere, and also some services in Yeppoon and Emu Park. Rockhampton railway station is located on the North Coast railway, and is the terminus of the electrified section of line from Brisbane with through diesel service continuing beyond; services are provided by Queensland Rail. Denison St, Rockhampton is one of the few places where the main line runs down the middle of the street. An Electric Tilt Train services connects it to Brisbane, and the Diesel Tilt Train services the station en route to Cairns. Rockhampton Airport is operated by Rockhampton Regional Council and is located (3.7 mi) west of Rockhampton City. It is Australia's twelfth busiest domestic airport. The airport handles flights to major Australian cities, tourist destinations, and regional destinations throughout Central Queensland. It is an important base for general aviation serving the Central Highlands and Capricorn Coast communities. The airport is also a base for the Royal Flying Doctor Service and the Rescue Helicopter. Road train access to Rockhampton The project for upgrading between Gracemere saleyards and the Rockhampton abattoirs to provide access for Type 1 Road Trains was completed by early 2021 at a total cost of $30 million. It involved about of road improvements on four roads: Capricorn Highway - from Saleyards Road at Gracemere to the Bruce Highway roundabout at Rochhampton (). Bruce Highway - from the Capricorn Highway roundabout to the Yaamba Road intersection (). Rockhampton-Yeppoon Road - from the Bruce Highway intersection south-west to the Emu Park Road intersection (. Rockhampton-Emu Park Road - from the Rockhampton-Yeppoon Road intersection to St Christophers Chapel Road at (). Water The catchment area of