The Isis Highway is a state highway in southern Queensland, Australia. The highway is relatively short, and runs for 137 kilometres (85 mi) in a north-east / south-west direction between Bundaberg North and the Burnett Highway at Ban Ban Springs. The Isis Highway links the sugar producing Bundaberg and Fraser Coast regions with the cattle farming districts of the North Burnett.

The Burnett Highway is an inland rural highway located in Queensland, Australia. The highway runs from its junction with the Bruce Highway at Gracemere, just south of Rockhampton, to the D'Aguilar Highway in Nanango. Its length is approximately 542 kilometres. The highway takes its name from the Burnett River, which it crosses in Gayndah. The Burnett Highway provides the most direct link between the northern end of the New England Highway and Rockhampton. It is designated as a State Strategic Road by the Queensland Government.