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The R40 was a B Division New York City Subway car built between 1967 and 1968 by the St. Louis Car Company in St. Louis, Missouri. ==Description== The R40 fleet was numbered 4150–4349; cars 4250–4349 were originally numbered as 4350–4449 until 1970 (cars 4150–4249 retained their original numbers). These cars were unique for their 10° slanted end, designed by the firm of Raymond Loewy and Associates. The first incomplete pair of R40s (cars 4350 and 4351) came onto TA property in November 1967 for promoting the Transportation Bond issue on Election Day. On March 23, 1968, the R40 fleet entered service on the .〔()〕 The New York City Transit Authority found great dangers along with other hazards with the slanted end design posed with the lack of handholds for riders walking between cars, thus the danger of the passenger falling onto the tracks, and other design flaws. Within months, the cars were retrofitted with large grab rails with pantograph gates mounted, which effectively destroyed Loewy's design, but allowed passengers to travel safely between cars.〔(A hazard is found on new IND cars Authority says sloped ends leave gap between the units NY Times November 9, 1968 )〕 Between 1987 and 1989, the R40s were rebuilt by Sumitomo in Elmira Heights, New York and retrofitted with air conditioning and a new interior design. 〔(【引用サイトリンク】title=www.nycsubway.org )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「R40 (New York City Subway car)」の詳細全文を読む スポンサード リンク
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