 The Comprehensive also started the current M66 route that year, and in 1948 the New York City Board of Transportation acquired the Comprehensive and East Side routes, transferred to the New York City Transit Authority in 1953.The M9 route came from the Avenue B and East Broadway Transit Company in 1980, which had begun operating replacement routes for the Dry Dock, East Broadway and Battery Railroad lines in 1932.This table gives details for the routes prefixed with "M"—in other words, those considered to run primarily in Manhattan by the MTA.