Relating to a requirement for the Texas Department of Transportation to disclose certain service contract information and provide notice regarding certain changes to a contract.

HB 5603 requires the Texas Department of Transportation (TxDOT) to publicly post specific details of service contracts on its website, including contract numbers, amounts, dates, scope of work, and geographic coverage. It mandates that TxDOT update this information weekly and provide written notice to contractors at least 90 days before altering project schedules or deliverables. The bill directly affects TxDOT, contractors awarded service contracts, and the public seeking transparency about transportation projects. Key provisions include standardized disclosure of contract terms and a formal notification process for schedule changes, aiming to improve accountability in TxDOT's contracting practices.