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50-Year-Old Idea Creates Wildlife Highway
11 Sep
Summary
- An Australian ranger's 1974 idea became a wildlife crossing in 2026.
- The upgraded Cawleys Bridge reconnects vital habitats for native animals.
- The bridge is retrofitted with natural features for diverse species.
A wildlife crossing, first conceived by Australian park ranger Bob Crombie in 1974, was realized in 2026. Cawleys Bridge, originally a utility access point, has been transformed above Sydney's Princes Motorway. This retrofitted structure now serves as a vital corridor, reconnecting Heathcote National Park, Garrawarra State Conservation Area, and Royal National Park.
The 70-meter-long bridge now facilitates safe animal movement, mitigating the dangers posed by the 40,000 daily vehicles. Its design incorporates diverse elements, including vegetation and elevated structures, to accommodate ground-dwelling species, arboreal animals, and gliders, benefiting wildlife such as koalas and wombats.
Monitoring systems, including cameras and infrared technology, are in place to assess animal usage and effectiveness. This project revitalizes an old infrastructure idea for modern conservation, offering a vital pathway through a landscape previously bisected by a major road.
