A trolleybus is an electric bus that draws power from overhead wires using spring-loaded poles called trolley poles. Operates in bus lanes or mixed traffic. Drivers must be aware that trolleybus wires often run above streets, especially at intersections. Unlike trams, trolleybuses have rubber tires and run on regular roads instead of rails.
A trolleybus. (Landskrona, Sweden) © Wikimedia.org/Carl-Johan Aberger, CC0
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