 Much of what is now NY 29 east of Saratoga Springs was included in the legislative route system during the 1910s.In 1911, the portion of modern NY 29 west of the Hudson River in Schuylerville was designated as part of Route 43, a new route that extended south from Schuylerville to Stillwater.The segment of current NY 29 between Saratoga Springs and Grange Hall Road west of Schuylerville became part of Route 25 by 1920.