This handbook provides recommendations for complying with Section 106 of the National Historic Preservation Act during the environmental review process for transportation projects. Practical tips addressed include: agency roles, State specific requirements, consulting parties and public involvement, areas of potential effects, evaluation of eligibility for the National Register of Historic Places, evaluation of effects on Historical Properties, documentation of eligibility and effects, resolution of adverse effects, coordination with other requirements, alternative methods for Section 106 compliance, and memorandum of agreement.