Broadway, near Madison Square, there is a transfer to the southbound M1, M2, and M3; the southbound M5, and the 23rd Street station of the BMT Broadway Line (serving the ). At 6th Avenue, the M23 encounters the northbound M5 and M7; the 23rd Street station of the IND Sixth Avenue Line, along the ; and the 23rd Street station of the PATH, next to the Sixth Avenue Line station. The intersection with 7th Avenue provides a transfer to the downtown M7 and M20, and the 23rd Street station of the IRT Broadway–Seventh Avenue Line, served by the . At 8th Avenue, the northbound M20 is nearby, as is the 23rd Street station of the IND Eighth Avenue Line's . Transfers to the southbound and northbound M11 are made at 9th and 10th Avenues, respectively. Finally, at 11th Avenue just east of the M23's terminus, there is a transfer to both directions of the M12 bus. A total of 14 local or Select Bus Service routes intersect the M23, as well as the PATH and five subway stations. In addition, 28 express bus routes run along 23rd Street, and thus, a non-free transfer either to or from the M23. Stops History Streetcars The Twenty-third Street Railway was a street railway that was originally operated as horse cars and later electric traction. The company was chartered on January 29, 1872. Its trackage ran along 23rd Street between 13th Avenue at the Hudson River and the East River east of Avenue A, with a depot on the north side of 23rd Street between 13th and 11th Avenues. Most of this trackage was built by the Twenty-third Street Railway, with three exceptions: a double-track segment between Broadway and Fourth Avenue, built as per an 1860 grant by the Forty-second Street and Grand Street Ferry Railroad; another double-track portion between First Avenue and the former Asser Levy Place, built under another 1860 grant by the Central Park, North and East River Railroad Company; and a single-track portion between Second and First Avenues, built as per a grant awarded to the Second Avenue Railroad in 1852 and confirmed in 1854. In the last instance, the Twenty-third Street Railway removed the Second Avenue Railroad track in the middle of the street, and added double tracks on the curbside of the street, of which the eastbound track was to be shared with the Second Avenue Railroad. The