New York State Route 149 runs east-west across Southern Warren County. It goes from Interstate 87, near Queensbury, to the Warren/Washington County Line, near Fort Ann. NY St Rt 149 passes through the following town in Warren County. Queensbury NY St Rt 149 is multi-plexed in Warren County. U.S. Rt. 9, at Queensbury. NY St Rt 149 intersects the following highways in Warren County. Interstate 87, at Queensbury. U.S. Rt. 9, at Queensbury. U.S. Rt. 9, at Queensbury.