Grandmother's voice from lighthouse deters moose from Route 8 in Finland

On Finland's Route 8, north of Vaasa, a peculiar sound emanates from a lighthouse: the voice of a grandmother.

This auditory deterrent is strategically placed along the busy highway, where cars and trucks speed past at approximately 100 kilometers per hour. The constant roar of traffic usually drowns out most sounds, but the grandmother's voice unexpectedly cuts through the noise.

The purpose of this unusual setup is to startle moose, preventing them from venturing onto the road and causing potentially fatal collisions. The lighthouse, equipped with speakers, broadcasts the voice, creating an auditory barrier that aims to keep the large animals away from the path of vehicles.

This creative solution addresses a persistent safety concern on rural roads, where wildlife encounters can pose significant risks to drivers. By using a familiar, yet unexpected, human voice, the system attempts to leverage the animals' natural aversion to human presence to enhance road safety.