Liikennöidyssä

Liikennöidyssä is a Finnish participial adjective derived from the verb liikennöidä, meaning to operate or to be in service. In grammar, the form is used to describe something that is currently in operation or in service. The word combines the stem liikennöidy- with the inessive case ending -ssä, signaling a state of being active or functioning.

The term is most common in transport, infrastructure, and public-service contexts. It is used to indicate that a line, route, vehicle, or system is actively serving passengers or cargo, as opposed to being out of service or under construction. In official language, liikennöidyssä appears in reports, maps, timetables, and notices to describe the operational status of services.

Related concepts include liikennöinti, which denotes the activity of operating or traffic in a broader sense, and liikennöidä, the verb meaning to operate or run a service. While liikennöinti focuses on the process, liikennöidyssä emphasizes the current state of operation of a particular asset or network.

Examples of usage in context include phrases like "liikennöidyssä käytössä oleva juna" (a train that is in service) and "liikennöidyssä tilassa oleva rata" (a track that is operational). The form helps communicate status succinctly in planning documents, public notices, and technical descriptions.