National Route 405 is a significant highway in Australia, primarily located in the state of New South Wales. It serves as a major connector between various towns and cities, facilitating the movement of goods and people across the region. The route is well-maintained and plays a crucial role in the local economy. The highway stretches approximately 200 kilometers, linking Sydney to Newcastle. Along its path, travelers can access various attractions, including parks and historical sites. National Route 405 is an essential part of the Australian road network, contributing to both tourism and daily commuting.