Because it won't be open for another 10 years.
At the beginning of January newspapers were abuzz with news of a new proposed station on the Yamanote Loop Line, and many articles mentioned the potential rise in real estate prices for the area surrounding the proposed station.
But how realistic are these stories?
The proposed station will be between the Shinagawa and Tamachi stations, and if it does get the go ahead, it is still not expected to be open until at least 2020. Similar reports of a new station also made the rounds about eight years ago.