The evolution of practical safety audits in the United States

Graduation date: 2008This thesis evaluates pre-construction auditing procedures used in the United Kingdom, Australia, and New Zealand in order to help create post-construction auditing procedures for the state of Oregon. It was funded as part of the development of the Oregon Department of Transportation (ODOT) Safety Investigation Manual, and also evaluates content issues for this document. The final product of this thesis is two worksheet packages on intersection sight distance and decision/dilemma zones that include discussion of the concepts, suggested worksheets for field investigations, and example problems to aid in user completion