Editing Guided bus (section)

===Precursors===
The kerb-guided bus (KGB) guidance mechanism is a development of the early [[Wagonway#Plateways, flangeways|flangeways]], pre-dating railways. The [[Gloucester and Cheltenham Tramroad]]<ref>{{cite book|last=Bick|first=D. E.|title=The Gloucester and Cheltenham Railway and the Leckhampton Quarry Tramroads|year=1968|publisher=Oakwood Press}}</ref>
of 1809 therefore has a claim to be the earliest guided busway. There were earlier flangeways, but they did not carry passengers.<ref>{{cite book|last=Schofield|first=R. B.|title=Benjamin Outram 1764–1805: an engineering biography|year=2000|publisher=Merton Priory|location=Cardiff|isbn=1-898937-42-7}}</ref><ref>{{cite web|last=Wagonway Research Circle|title=Plateways/tramways – overview and list of some available resources|url=http://www.island-publishing.co.uk/WRC_mirror/wrc_plateways_contents.html|publisher=Island Publishing|date=20 May 2010}}</ref> From 1861 to 1872 another system with one central grooved rail was used in the Manchester region.<ref name="TWI">{{cite web |title=Horse Trams on Rail and Road |url=https://www.tramwayinfo.com/tramways/Articles/Ehorse.htm |website=www.tramwayinfo.com |access-date=16 February 2025}}</ref>