carriageway
n. B2 Upper Intermediate UK //kˈæɹɪdʒwˌeɪ// car·riage·way
n. the part of a road where vehicles drive. It is the area between the two sides of the road that is used for cars and trucks.
n. the portion of a road intended for the passage of vehicles. Often used in technical or legal contexts to distinguish between the road surface and the surrounding land.
The carriageway is closed for road work today.
Drivers must stay in their lane on the carriageway to avoid hitting the barriers.
The expansion of the carriageway was necessary to accommodate the increasing volume of commercial traffic passing through the city center.