Some of the buses running on the edge of Central Park replaced former streetcar routes that formerly traveled across Manhattan. These streetcar routes included the Sixth Avenue line, which became the M5 bus, and the Eighth Avenue line, which became the M10. Only one streetcar line traversed Central Park: the 86th Street Crosstown Line, the predecessor to the M86 bus.
Some of the buses running on the edge of Central Park replaced former streetcar routes that formerly traveled across Manhattan These streetcar routes included the Sixth Avenue line which became the M5 bus and the Eighth Avenue line which became the M10 Only one streetcar line traversed Central Park the 86th Street Crosstown Line the predecessor to the M86 bus