Train services on Tokyo's busy Yamanote and Keihin-Tohoku lines were partially suspended Saturday as track-switching work began to construct a new line for faster access to Haneda airport, the operator said.East Japan Railway Co. expects the suspension and reduction of services outside the suspended sections on Saturday and Sunday to affect around 550,000 people and has called on passengers to use subway and other railway companies' services.Sections between Ueno and Osaki stations on the outer loop of the Yamanote Line and between Higashi-Jujo and Shinagawa on the Keihin-Tohoku Line will b…READ FULL ARTICLE