Sentence:  [T]he two modes of transportation available were taxicab and the “<WSD>Toonerville Trolley</WSD>.” ... The name “<WSD>Toonerville Trolley</WSD>” was taken from a popular cartoon of the time because we thought the rock and roll of the streetcar and the uphill and downhill route seemed to be lifted from the cartoon. 
Meaning of the word marked with <WSD> tags:  A trolley, especially one in need of modernization.