See the Key System forward from 1945 and the end of WW II that brought the National City Lines æbuy-outÆ. See the last 13 years of a great transit line that struggled to maintain quality service in a world of change. We review the NCL and compare its new control of the Key System to the LA Railway and others. See the last few years of the KeyÆs subsidiary streetcar lines that were all ripped out after 1948.