From Wiktionary, the free dictionary
From wagon + way.
wagonway (plural wagonways)
- A railway designed for use by trams or wagons.
1942 May-June, Charles E. Lee, “The Brampton Railway”, in Railway Magazine, page 140:This line, described as a valuable feeder to the Newcastle & Carlisle Railway, was opened on July 8, 1836, and superseded the older wagonway.