In North Queensland, faunal underpasses and canopy bridges across rainforest roads have been monitored over long periods. These include edge effects, traffic disturbance, exotic invasions and fragmentation of stream habitats. Unfortunately, other important ecological impacts of roads are seldom addressed.
Currently, Australian mitigation measures concentrate on two important impacts: road mortality and terrestrial habitat fragmentation. Retro‐fitting of engineering solutions to roads that are causing obvious impacts is also uncommon.
In Queensland’s Wet Tropics and throughout Australia, installation of engineered structures to ameliorate ecological road impacts is now common during larger construction projects, but unusual in smaller road projects. Summary Research into mitigation of the ecological impacts of rainforest roads in North Queensland has a long history, commencing during the formative years of Australian road ecology.
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