Things change and this is very good visible on photos made in the past. Train stations in Ireland are good example of it.Ranelagh & Rathmines Station with diesel train arriving from Harcourt Street in 1958. And tram arrives at the same spot in 2004 at the now ‘Cowper’ tram stop. (C) Micheal Costaloe

Derailment at Kilfree Junction, 1955 & 2006.

Carrickmines Station, in 1955 and 2009, now preparing for itself for the Luas, south Co.Dublin.

Great Northern Railway tram crosses over the main road into Howth, north Co. Dublin, with a service from the Summit in 1958 and the same location in 2009.

Liffey Quays at North Wall.

Hatch Street, rear of Harcourt Street station, Dublin City.

Killiney Station, south Co.Dublin, showing an earlier form of suburban traction in 1955.

Credit: eiretrains.com