This recording features train horns as the trains pass by a level crossing just outside Palo Alto train station. The tonality of the train horns and the level crossing warning alarms are clearly identifiable as North American trains, and the sonic identity of the trains themselves as they pass are typical of Californian trains. 

Palo Alto is a small town and these sounds can be heard from most parts of town as trains approach a series of level crossings before arriving into Palo Alto station. 

Recorded by Colin Hunter. 

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