Editing Madison Avenue (section)

==Route==
Madison Avenue carries [[one-way traffic]] uptown (northbound) from East 23rd Street to [[135th Street (Manhattan)|East 135th Street]], with the changeover from two-way traffic taking place on January 14, 1966, at which time Fifth Avenue was changed to one-way downtown (southbound).<ref>Kihss, Peter. [https://select.nytimes.com/gst/abstract.html?res=FA0815F83A5F1A7493C0A8178AD85F428685F9 "5th and Madison Avenues Become One-Way Friday; Change to Come 7 Weeks Ahead of Schedule to Ease Strike Traffic 5th and Madison to Be Made One-Way Friday"], ''[[The New York Times]]'', January 12, 1966. Accessed December 6, 2007. "The long-argued conversion of Fifth and Madison Avenues to one-way streets will start at 6 A.M. Friday seven weeks ahead of schedule to ease congestion caused by the transit strike."</ref> This changeover was accelerated by seven weeks due to the transit strike which began on January 1.  Between East 135th Street and East 142nd Street, Madison Avenue carries southbound traffic only and runs parallel to the [[Harlem River Drive]].

=== Landmarks ===
There are numerous structures designated as [[New York City designated landmark|New York City Landmarks]] (NYCL), [[National Historic Landmark]]s (NHL), and [[National Register of Historic Places]] (NRHP) on Madison Avenue. From south to north (in increasing address order), they include:<ref>Interactive map: {{cite web|url=https://nyclpc.maps.arcgis.com/apps/webappviewer/index.html?id=93a88691cace4067828b1eede432022b|title=Discover New York City Landmarks |publisher=New York City Landmarks Preservation Commission |via=[[ArcGIS]] |access-date= 2019-12-21}}</ref><ref name="nris">{{NRISref|2013}}</ref>
* [[Metropolitan Life Insurance Company Tower]] (NYCL, NHL, NRHP)
* [[Appellate Division Courthouse of New York State]] (NYCL, NRHP)
* [[New York Life Building]] (NYCL, NHL, NRHP)
* [[Hotel Seville (Manhattan)|Hotel Seville]] (NYCL)
* [[Emmet Building]] (NYCL)
* [[Colony Club]] (NYCL, NRHP)
* [[Madison Belmont Building]] (NYCL)
* [[B. Altman and Company Building]] (NYCL)
* [[Church of the Incarnation, Episcopal (Manhattan)|Church of the Incarnation, Episcopal]] (NYCL, NRHP)
* [[Morgan Library & Museum]] (NYCL, NHL, NRHP)
* [[Joseph Raphael De Lamar House]] (NYCL, NRHP)
* [[275 Madison Avenue]] (NYCL)
* [[400 Madison Avenue]] (NYCL)
* [[St. Patrick's Cathedral (Manhattan)|St. Patrick's Cathedral]] (NYCL, NHL, NRHP)
* [[Villard Houses]] (NYCL, NRHP)
* [[Look Building]] (NYCL)<ref>"... named for one of its first tenants — Look magazine, which folded in 1971. Other tenants have included Esquire magazine and Pocket Books." [https://cityroom.blogs.nytimes.com/2010/07/27/look-building-is-named-a-landmark/]</ref>
* [[550 Madison Avenue]] (NYCL)
* [[Fuller Building]] (NYCL)
* [[45 East 66th Street]] (NYCL)
* [[Gertrude Rhinelander Waldo House]] (NYCL, NRHP)
* [[1261 Madison Avenue]] (NYCL)
* [[1321 Madison Avenue]] (NYCL)
* [[Squadron A Armory]] (NYCL, NRHP)
* [[All Saints Church (Manhattan)|All Saints Church]] (NYCL)