- Western Terminus:
- Broadway (US 9) in Sleepy Hollow
- Eastern Terminus:
- Phelps Way (NY 117) and Bedford Road (NY 117) in Pleasantville
- 3.90 miles
NY 448 is the section of Bedford Road that is bypassed by Phelps Way (NY 117). It extends from Broadway (US 9) in Sleepy Hollow to the end of Phelps Way in Pleasantville, where Bedford Road becomes NY 117. NY 448 was originally part of NY 117, but it was renumbered when Phelps Way was constructed. The entire length is a two-lane undivided road.