Carriageways are the set of roads that are designed for vehicular traffic. They are designed to facilitate the smooth flow of vehicles. There are several synonyms for the term carriageways, such as highways, expressways, freeways, roads, arterials, and thoroughfares. Highways are large roads designed for long-distance travel, while expressways are designed for high-speed travel, usually with limited access. Freeways are large, high-speed roads with multiple lanes and limited access. Roads and arterials are smaller local roads that provide access to residential and commercial areas. Thoroughfares are main roads that connect traffic to different areas of a city or town. These synonyms demonstrate the versatility and importance of carriageways in facilitating transportation.