Romsås is a subway station on the Grorud Line of the Oslo Metro in the Grorud borough. It is located in the tunnel between Grorud and Rommen. It's in a mountain and smells moist. Like Ellingsrudåsen, Romsås has natural mountain walls. The architect Håkon Mjelva together with civil engineer Elliot Strømme and entrepreneur F. Selmer were awarded the "Concrete board for outstanding construction" in 1976.