The Secret Life of Level Crossings: The Revealing of a Hidden Routine In the quiet hours of the early morning, while most people are still fast asleep, a fascinating and largely unknown spectacle is unfolding at the level crossings that crisscross our landscape. This phenomenon, invisible to the public eye and unknown to the masses, concerns nothing less than the irrigation of railway crossing installations. This article sheds light on this hidden practice, which proves essential to the maintenance and safety of our railways.