eritasoliittymään
Eritasoliittymään is a grade-separated junction in road design, where intersecting routes cross at different levels rather than on the same plane. In such junctions traffic movements between the roads are carried out via ramps, flyovers or underpasses, allowing through traffic to continue at higher speeds with fewer conflicts. The illative form eritasoliittymään can appear in Finnish text when referring to moving toward or entering a grade-separated junction.
The core components of an eritasoliittymään are bridges or tunnels that separate traffic levels and a network
Several typologies exist, reflecting different trade-offs between space, cost and performance. Common examples include diamond interchanges,
Advantages of eritasoliittymään include higher capacity, smoother traffic flow and lower collision risk compared to at-grade