Boxes in Hedgerow

Boxes in Hedgerow

Observation - Boxes in Hedgerow. Description: This may not have anything to do with wildlife, but I think it may do. Does anyone know what this box is for. I found a number of them in Mop End Lane, near Amersham, every few yards along the lane, each one with a sequential number.

This may not have anything to do with wildlife, but I think it may do. Does anyone know what this box is for. I found a number of them in Mop End Lane, near Amersham, every few yards along the lane, each one with a sequential number.