Highway 1 is a scenic highway located in New Zealand, stretching from the North Island to the South Island. It is the longest and most important highway in the country, connecting major cities and towns along its route. Along the way, travelers can experience stunning views of the countryside, including rolling
From Wikipedia
State Highway 1 is the longest and most significant road in the New Zealand road network, running the length of both main islands. It appears on road maps as SH 1 and on road signs as a white number 1 on a red shield, but it has the official designations SH 1N in the North Island and SH 1S in the South Island.