Austroads：2023公路隧道美学特征的设计、交付和测试报告（英文版）

Road tunnels are a familiar and at times integral feature of the road network, yet the existing infrastructure in Australia and New Zealand can have adverse impacts on driver behaviour and therefore traffic flow. The proliferation of road tunnels to ease congestion in metropolitan cities across Australia and New Zealand has led to greater emphasis on the operation and safety of these tunnels. As substantial assets, it is vital to make best use of the tunnels by improving traffic flow and