Unknown Sound Effects Library, Railroad Crossing Bells.

Crossing bell sound FX used in cartoons (sound location unknown)

TV Shows

 * Busytown Mysteries episode examples: "Where's The Hero?" "Lost Orphan Egg" "Lost Parrot"
 * Fairly Odd Parents "Odd Squad"
 * Danger Mouse (2015 series) "Danger Mouse Begins Again (this is at the Tower Bridge in London U.K.)