âť‘ Complete all of the Bid Proposal forms? How do I submit a bid or proposal?All formal bids and proposals shall be submitted as specified in the solicitation document. BID INFORMATION SHEET: Fill out contact information and type of work desired. This Invitation to Bid can be used for construction procurement. Construction bids are quite lengthy and should contain as much information as possible regarding the project and what will be required of the contractor. Present your bid in a legible, accessible, and preferably typed format. Include your scope of work 48 to 72 hours before the bid that you are pricing. Most ADOT bidding can be done online using Bid Express, a third-party website which handles construction bidding for many different entities, including ADOT. Check government websites for RFPs and associated bid proposal samples.