This sound effect can be found on The Premiere Edition Volume 1, which was made by The Hollywood Edge. An echoed version of the horn element, Hollywoodedge, Train Horn Loud Echoe TE046001, is available on The Edge Edition Volume 1. The horn was sourced of from a BC Rail Nathan K5H. Links: https://soundeffects.fandom.com/wiki/Hollywoodedge,_Train_Exterior_Persp_PE064701#Audio_Samples