roadway /ˈɹoʊdˌweɪ/ noun3 •A way used as a road.It’s a dip of fewer than 150 deaths from highs reached in 2021, when the agency recorded the largest quarterly spike in its history of tracking roadway fatalities. — 2023 •The main or central portion of a road, used by the vehicles. •The portion of a bridge or railway used by traffic. formsroadways