Avenue B runs from south to north and is two blocks east of 1st Avenue in Alphabet City, a district within the East Village. Avenue B runs from Houston Street to 14th Street, where it continues into a loop road in Stuyvesant Town, to be connected with Avenue A. Below Houston Street, Avenue B continues as Clinton Street. It is the eastern border of Tompkins Square Park.
Currently, there is no bus that travels on Avenue B. The former M9 bus used this street from E Houston Street to 14 Street. The M9 now travels on Avenue C from Houston to 23 streets.