STH 65 is a minor arterial roadway that runs north to south between River Falls and New Richmond in St. Croix County, Wisconsin. Enlisted by the Wisconsin Department of Transportation (WisDOT), ISG provided design engineering and topographic surveying on this 8.25-mile improvement project. The project included resurfacing, guardrail replacement, culvert enhancements, and multiple safety improvements. ISG's services extended to utility, environmental, and tribal coordination, ensuring regulatory compliance. The project improved infrastructure integrity, safety, and efficiency while underscoring ISG's expertise in enhancing WisDOT transportation networks and regional connectivity.