M42 (New York City bus)

m42
42nd Street Crosstown
A 2021 Nova Bus LFS HEV (9745) on the West Side Pier-bound M42 in June 2024.
Overview
System	MTA Regional Bus Operations
Operator	Manhattan and Bronx Surface Transit Operating Authority
Garage	Michael J. Quill Depot
Vehicle	New Flyer Xcelsior XD40 New Flyer Xcelsior XE40 Nova Bus LFS HEV
Began service	November 17, 1946 1901 (streetcar)
Ended service	November 17, 1946 (streetcar)
Route
Locale	Manhattan, New York, U.S.
Communities served	East Midtown, Midtown, West Midtown
Start	East Side/United Nations - 41st Street & First Avenue
Via	42nd Street
End	West Midtown/Circle Line Sightseeing Cruises – Twelfth Avenue & 42nd Street (Pier 83)
Length	2.2 miles (3.5 km)
Other routes	M50 49th/50th Streets Crosstown
Service
Operates	All times
Annual patronage	2,384,180 (2023)[1]
Transfers	Yes
Timetable	M42
Route map ← M35  {{{system_nav}}}  M50 →

The 42nd Street Crosstown Line is a public transit line in Manhattan, running primarily along 42nd Street in Midtown Manhattan. Originally a streetcar line, it is now the M42 bus route, part of MTA Regional Bus Operations and operated by the Manhattan and Bronx Surface Transit Operating Authority under the New York City Transit brand.