State Highway 3 is a major road in New Zealand that runs through the North Island. It stretches approximately 360 kilometers, connecting the cities of Auckland and Wellington. The highway passes through various towns and scenic landscapes, making it an important route for both local and tourist traffic. The highway is known for its winding roads and beautiful views, particularly in areas like the King Country and Taranaki. It serves as a vital link for commerce and travel, facilitating access to key regions and attractions, including Mount Taranaki and the Whanganui River.