Project design documentation shall follow the OH Design Documentation Guide format. All highway projects require a completed Design Study Report (DSR) or equivalent. Projects with design exceptions require formal Design Exception Reports with mitigation analysis. Major projects require an Environmental Document per NEPA/CEQA with design alternatives analysis.
References: AASHTO current edition, OH Standard Specifications, FHWA Technical Advisories, and applicable federal regulations (23 CFR). Contractors shall maintain current copies of all referenced standards on the project site.
Source: ODOT Highway Design Manual, 2024 Edition. Pages 3–4 of 37.