At the North Hempstead-Oyster Bay town line, Glen Cove Road becomes a divided highway. The CR 1 designation ends and Glen Cove Road becomes NY 904, an unsigned state route. Back Road begins on the left at a traffic light.

Photos taken June 2021.

Glen Cove Road runs north as a four-lane divided highway.

Photos taken October 2015.

Glen Cove Road intersects Glen Head Road at a traffic light.

Photos taken October 2015.

Cedar Swamp Road (NY 107) merges in from the right and NY 904 ends. Glen Cove Road continues straight ahead as NY 107.

Photos taken October 2015.