The story
- Middle English · inherited from*rodeway
- English todayroadway
From Middle English *rodeway, *radewey (attested in radewey-stile (literally “roadway-stile”)), equivalent to road + way; road had the early sense of "riding" when the compound was formed, thus originally "a way for riding on".
Etymology from Wiktionary, CC BY-SA 4.0.