roadway; carriageway; road
Refers specifically to the part of a road intended for vehicles, as opposed to the sidewalk or shoulder. Common in traffic contexts.
歩道と車道の間にはガードレールがある。
There is a guardrail between the sidewalk and the roadway.
車道を横断するときは左右をよく確認してください。
Please look both ways carefully when crossing the road.
A child suddenly ran out into the roadway and I was startled.
Crossing the roadway where there's no traffic light is dangerous.
As a rule, bicycles should ride on the roadway, not the sidewalk.