How do I submit a bid or proposal? All formal bids and proposals shall be submitted as specified in the solicitation document.These links will connect you with the latest transportation-related bid and procurement opportunities from ADOT and a variety of state and local agencies. Minimum Qualifications Questionnaire: Please complete the questionnaire below. You must complete at least one (1) Optional Line Item or all Required Line Items in the Items (F) tab in APP in order for your Offer to be considered. Important Instructions for Electronic Submittal.