videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Red Arrow Lines Railbus Experiments 1967 1968 P&W and Media Trolley Lines, Red Arrow P&W/SEPTA Norristown High Speed Line 1965 to 1974, Lehigh Valley Transit Liberty Bell 812 701 Perkasie PA