The term 'HIGH-SPEED ROAD' can be summarized as a road that is designed for vehicles to travel at higher speeds than normal. The crossword solution for this term is THRUWAY, which is a term used to describe a limited-access highway in the United States. These highways are typically divided into two or more lanes and have no traffic lights or stop signs. They are designed to allow vehicles to travel at higher speeds than normal roads, making them ideal for long-distance travel.