New york City Transit Authority Mack C-49-DT #6259 @ 42nd Street & 11th Avenue. Bus returning to depot after completing revenue service on the M42 as part of the Holiday Vintage Bus program. - New york City Transit Authority Mack C-49-DT #6259 @ 42nd Street & 11th Avenue. Bus returning to depot after completing revenue service on the M42 as part of the Holiday Vintage Bus program.