U.S. Federal Route 4 is a north-south highway in Western Rensselaer County. It runs from U.S. Rt. 9/20 in East Greenbush, and runs north to the Rensselaer/Saratoga County Line. U.S. Rt. 4 passes through the following towns in Rensselaer County. East Greenbush Defreestville Troy U.S. Rt. 4 is not multi-plexed in Rensselaer County. U.S. Rt. 4 intersects the following highways in Rensselaer County. U.S. Rt. 9, at East Greenbush. U.S. Rt. 20, at East Greenbush. New York State Route 151, near East Greenbush. Interstate 90, near East Greenbush. New York State Route 43, near Defreestville. New York State Route 136, near Troy. New York State Route 378, at Troy. New York State Route 2, at Troy. New York State Route 7, at Troy. New York State Route 470, at Troy. New York State Route 142, at Troy.
