I have a train line ca. 1km away where the ICE high-speed train from Hamburg to Berlin passes. It's not driving there with full speed though. The train is basically not to notice. Though I hear the freight-trains or sometime the local trains (S-Bahn). Of course the ICE train is very silent and sure uses no horns - why should it - there are no level crossings. The tracks are placed higher and crossings are under bridges. The track is just next to other tracks for local trains, which then also have no level crossings inside the city.
What disturbs me slightly more are the planes.