PRR MP70
... that for decades, Long Island commuters knocked knees on the Long Island Rail Road's PRR MP70 cars?
... that for decades, Long Island commuters knocked knees on the <a href="./Long_Island_Rail_Road" id="mwBSA" rel="mw:WikiLink" title="Long Island Rail Road">Long Island Rail Road</a>'s <b id="mwBSE"><a href="./PRR_MP70" id="mwBSI" rel="mw:WikiLink" title="PRR MP70">PRR MP70</a></b> cars?