 Remaining a two-lane arterial, the road parallels other main east-west roads like Tom Miller Road (CR 26), NY 3 (Cornelia Street) and Rugar Street.Just before its final junction with NY 22, the road widens to a divided four-lane highway in preparation for the nearby junction of Interstate 87 and curving into one-way streets in the city of Plattsburgh.NY 374 was assigned as part of the 1930 renumbering of state highways in New York.