Substitution: Successful completion of graduate coursework from a regionally accredited college or university in transportation, urban or regional planning, engineering, economics, statistics, mathematics, geography, business administration, public administration, environmental studies, history, archeology, the physical or natural sciences, or related field may substitute for the required experience through an established formula. Substitution: Full-time or equivalent part-time paid experience in the research, analysis, planning, bidding, or administration of highway construction and maintenance projects or managing transit grant programs may be substituted for the required training/education through an established formula.