NS Line
... that Portland's NS Line opened in 2001 as the first newly built streetcar line in the United States in 50 years to use modern vehicles?
... that <a href="./Portland,_Oregon" id="mwAlw" rel="mw:WikiLink" title="Portland, Oregon">Portland</a>'s <b id="mwAl0"><a href="./NS_Line" id="mwAl4" rel="mw:WikiLink" title="NS Line">NS Line</a></b> opened in 2001 as the first newly built <a href="./Tram" id="mwAl8" rel="mw:WikiLink" title="Tram">streetcar</a> line in the United States in 50 years to use modern vehicles?