Cars can't enter without special permission, free access by foot or trolleybus.
From the en.wikipedia.org
Another bar similarly angled at its ends is hung between the trolleybus wires.
From the en.wikipedia.org
Go to Vancouver to see a still-functioning trolleybus system in all its glory.
From the guardian.co.uk
Between 1932 and 1967, Derby Corporation operated the Derby trolleybus system.
From the en.wikipedia.org
In Athens, there are two crossings between tram and trolleybus wires, at Vas.
From the en.wikipedia.org
Andrei finds a way to get hold of a car and plans to steal his father's trolleybus.
From the en.wikipedia.org
The public transport system includes buses, the Mendoza trolleybus system, and taxis.
From the en.wikipedia.org
Olgas Avenue, with tram and trolleybus wires side-by-side above a narrow lane of road.
From the en.wikipedia.org
The trailer was used with both trolleybuses and motorbuses, trolleybus no.
From the en.wikipedia.org
More examples
A passenger bus with an electric motor that draws power from overhead wires
A trolleybus (also known as trolley bus, trolley coach, trackless trolley, trackless tram or trolley) is an electric bus that draws its electricity from overhead wires (generally suspended from roadside posts) using spring-loaded trolley poles. ...