The M Queens Boulevard Local or the M 6 Avenue Local or the M Myrtle Avenue Local is a service of the New York City Subway. It is colored orange on the route sign (either on the front and/or side - depending on equipment used) and on station signs and the NYC Subway map, as it represents a service provided on the IND 6th Avenue Line in Manhattan. The M runs at all times. During late nights and weekends, it runs as a shuttle from Metropolitan Avenue in Middle Village, Queens, to Myrtle Avenue in Brooklyn. During middays, it is extended to Forest Hills-71st/Continental Avs weekdays, and becomes the only line to use the connection from the Chrystie St Tunnel after Delancey St-Essex St to 6th Av/53rd St Line to the Queens Blv. Tunnel. Service is always fully local, although, on occasion, when