Wood Rodgers is responsible for preliminary planning and design efforts of four road segments within this third phase of the Nevada Department of Transportation’s (NDOT) Master Plan for water quality improvements, located on the Nevada side of the Lake Tahoe basin. Wood Rodgers was employed to analyze existing conditions for portions of State Routes 431, 28, 207 and US 50 utilizing GIS. Conceptual designs for over thirteen miles of roadway were also presented in GIS format to assist stakeholders and the public in visualizing the proposed improvements.