By the end of the 1960s-1970s, most western countries had completely replaced steam locomotives in passenger service.

The T21 was used to replace steam locomotives on branch lines.

Diesel trains replaced steam locomotives on the main line in 1961.

Along with the rest of the railway network, diesel traction replaced steam locomotives on all services.

The proved highly economic, as they could replace expensive steam locomotives for shunting.

In the 1960s, has been the major driving force for non-electrificated railways, replacing steam locomotives.

The town boomed for the next 40 years, until a road was cut through the pass and diesel engines replaced steam locomotives.

Large numbers went to replace steam locomotives, especially on express passenger duties.

Railbuses were used on the line from 1954 and in 1962 they replaced steam locomotives for passenger traffic completely.

In 1927 a rail-motor coach replaced steam locomotives for passenger transport.