Epoch I  (era1) 

Vehicles with colours and lettering of the national and private railways era.

Approx. 1870 to 1920

Epoch II  (era2)

Vehicles from the period after the major national railway networks were built.

Approx. 1920 to 1945

Epoch III  (era3)

Fifties and sixties vehicles on Europe's rails with corresponding lettering.

Approx. 1945 to 1968

Epoch IV  (era4)

Vehicles with computer-compatible UIC lettering.

Approx. 1968 to 1985

Epoch V  (era5)

Vehicles of the period with the introduction of privatised colour schemes.

Approx. 1985 to 2005

Epoch VI  (era6)

Vehicles in current colour schemes

Approx. 2005 to current