Amends GS 136-18(1), pertaining to the power of the Department of Transportation (DOT) over all matters relating to the construction, maintenance, and design of State transportation projects, to require that the Board of Transportation (Board), when letting contracts over $30 million, to require the contractor to post signs visible to the public travelling in the contract area and updated every quarter of the contract, indicating estimated completion date, estimated cost, and whether those are in accordance with the contract terms. Provides for color coding of signs based on timeliness and budget. Applies to all contracts entered into or renewed on or after July 1, 2023.