'carriageway' definitions:
Definition of 'carriageway'
From: WordNet
noun
One of the two sides of a motorway where traffic travels in one direction only usually in two or three lanes
Definition of 'carriageway'
From: GCIDE
- carriageway \carriageway\ n. one of the two sides of a motorway where traffic travels in one direction only, usually in two or three lanes. [British] [WordNet 1.5]