Päälinjojen
Päälinjojen is a Finnish term that translates to "main lines" or "primary lines." It is most commonly used in the context of transportation, specifically referring to the main railway lines or major road networks within Finland. These are the routes that carry the bulk of passenger and freight traffic, connecting major cities and economic centers.
In railway terminology, päälinjojen often refers to the high-speed or most frequently serviced routes that form