Indefinite Delivery/Indefinite Quantity Contracting Practices

TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 473: Indefinite Delivery/Indefinite Quantity Contracting Practices examines practices related to the use of Indefinite Delivery/Indefinite Quantity (IDIQ) contracting by transportation agencies for highway design, construction, and maintenance contracts. The synthesis covers multiple aspects of IDIQ practice, including contracting techniques, terminology used by transportation agencies, contract advertising and award practices, successful contracting procedures, pricing methods, risk management issues, and effective contract administration practices.