Safer passage for koalas with new Appin Road underpass
WITH koala breeding season underway and wildlife activity set to increase through the warmer months, a new wildlife underpass at Noorumba Reserve is giving koalas and other native animals a safer way to cross Appin Road.
The 52-metre-long underpass is the first of three planned along Appin Road, allowing wildlife to pass beneath the road keeping animals and motorists safely separated.
The new underpass has been designed to accommodate large animals such as kangaroos and wallabies, while logs, habitat features and native vegetation encourage smaller species including koalas, possums and native rodents. Drainage has also been incorporated to keep the underpass accessible during wet weather.
The underpass is supported by approximately three kilometres of koala exclusion fencing along both sides of Appin Road, complemented by eight koala grids at driveway points, 11 one-way escape hatches and seven escape poles to help koalas safely return to habitat if they find themselves on the road-facing side of the fence.
More than 40,000 native plants have been planted throughout the corridor, along with a fauna rope crossing to support wildlife movement.
The underpass is being monitored to understand how it complements existing protection measures and further improves koala safety and habitat connectivity.
It builds on measures already delivered by the NSW Government to protect koalas and other threatened species in the wild across Sydney’s South West, including:
• Installing exclusion fencing that has seen an 80 per cent reduction in koala strikes along the fenced section of Appin Road.
• Creating two new national parks covering more than 2,000 hectares of critical koala and other threatened species habitat at Warranmadhaa National Park and Gulguer National Park.
• Granting more than $460,000 to Wollondilly Shire, Liverpool City and Campbelltown City Councils for warning signs to prevent koalas being hit by cars.
• Investing $4.5M in a new koala care centre in the Macarthur region.
• Providing $500,000 to support volunteer rehabilitators in the Macarthur area.
• $1.9m for Transport for NSW to construct fauna access structures on both sides of Deadmans Creek Bridge, a known koala vehicle strike hotspot.
The new underpass forms part of Stage 1 of the Appin Road upgrade around Figtree Hill, which has also delivered around 500 metres of road upgraded from one to two lanes in each direction on separated carriageways.
Around 10,000 vehicles use this section of Appin Road each day. The upgrade improves safety and access for the rapidly growing Figtree Hill community.
Work is continuing to strengthen koala protection along the Appin Road corridor with a second underpass planned for the Beulah BioBank site and construction of a third underpass at Ousedale Creek near Brian Road expected to start later this year. New koala protection fencing will also be installed, providing a single corridor of protection from south of Rosemeadow to just north of Appin Road township.
Construction is also continuing for koala protection measures along Heathcote Road around Deadmans Creek, with work expected to be complete by end of the year, weather permitting.
For more information on the Appin Road works, visit Appin Road upgrade | Transport for NSW.
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