  new york state route&nbsp;2 (ny&nbsp;2) is a state highway in the capital district of new york in the united states. it extends for  from an interchange with interstate&nbsp;87 (i-87) and ny&nbsp;7 in the town of colonie to the massachusetts state line in petersburgh, where it continues to boston as massachusetts route 2. the route passes through the cities of watervliet and troy, where it connects to ny&nbsp;32 and u.s. route&nbsp;4, respectively. in grafton, located midway between troy and massachusetts, ny&nbsp;2 serves grafton lakes state park. most of the route was originally designated as part of an unsigned legislative route in the 1910s. in 1924, the portion of modern ny&nbsp;2 between the hamlet of latham and downtown troy became part of ny&nbsp;9. the rest of the highway was designated as ny&nbsp;96 as part of the 1930 renumbering of state highways in new york. ny&nbsp;96 was renumbered to ny&nbsp;2 in the early 1940s. from the 1940s to 1970, ny&nbsp;2 continued south along the hudson river from troy to albany. it was extended to latham in 1985, replacing a section of ny&nbsp;7 that had been realigned onto a new parallel freeway to the north. ==route description== ===albany county and troy=== ny&nbsp;2 begins at i-87 (the adirondack northway) exit&nbsp;6 in the hamlet of latham, where ny&nbsp;7 leaves troyâschenectady road to join i-87. the route proceeds east on troyâschenectady road, a four-l
State_highways_in_New_York Transportation_in_Albany_County,_New_York Transportation_in_Rensselaer_County,_New_York