The Ministry of Communications (Transport) (Swedish: Kommunikationsdepartementet) was a ministry in Sweden, established in 1920 in connection with the division of the Ministry for Civil Service Affairs. The department dealt with administrative matters concerning, among other things, railways and tramways, post telegraph and telephone, canals, roads, bridges, ferries, air traffic, geotechnical, meteorological and hydrological surveys, radio broadcasting and electrical installations. The ministry was headed by the minister of communications (transport).
https://en.wikipedia.org/wiki/Ministry_of_Communications_(Sweden)