The National Association of County Engineers (NACE) is a non-partisan professional association representing a diverse group of over 3,000 county road professionals – County Engineers, Highway Commissioners/Superintendents, Publics Works Directors, Road Supervisors and Highway Administrators. NACE is the voice for these officials in Washington, DC. with a focus on transportation, infrastructure, and regulatory issues that affect the creation, expansion and rehabilitation of county owned infrastructure such as roads, bridges and water systems.