DOT Office of the Inspector General DOTOIG DOT-Büro des Inspekteurs General DOT Office of the Inspector General Oficina del Inspector General del DOT Oficina del Inspector General del DOT Bureau de l'inspecteur général du DOT משרד הבקר הכללי של משרד התחבורה האמריקני डीओटी ऑफिस ऑफ द इंस्पेक्टर जनरल DOT監査官事務所 Escritório do Inspetor Geral do DOT DOT办公室的检察长 DOTOIG DOT Office of the Inspector General The Office of the Inspector General (OIG) conducts audits and investigations on behalf of the American public to improve the performance and integrity of DOT`s programs to ensure a safe, efficient, and effective national transportation system.