This $115M Design-Build project for the NYSDOT in Westchester County included the replacement of two existing bridges, approach slabs, and highway approaches within the existing Right-of-Way. As subconsultant, Prudent Engineering was responsible for the highway design including travel and turn lane layout, cross section slope correction including super elevation, profile adjustments to maintain road height, vertical configuration of Saw Mill River Parkway exit, guide railing, pavement markings, replacement of existing signage, lighting, and open ditch grading.