SUBWAY CHIEF SEES ALL-DAY RUSH SOON ON RUN-DOWN LINES; ALL-DAY RUSH SEEN IN SUBWAYS SOON
Gross warns on congestion; Elec Engineers Amer Inst; estimates amt needed for system rehabilitation in 7-8 yrs; outlines immediately essential construction program for IRT, BMT and IND divs; attacks TWU pres M J Quill for insisting city continue to run own power plants rather than sell to Consol Edison Co; criticizes smallness of city appropriations, pol influences; new experimental train described; illus