The purpose of this project is to perform a technological refresh of the IVNs (Intelligent Vehicle Network) computer system on bus to ensure bus communications network and data management is optimized. This refresh would be applied to the entire fleet of buses. Target 2023 to have hardware replaced and start refresh project. To provide a technology refresh cycle all IVN (Intelligence Vehicle Network)computers on board the CTA Bus Fleet currently active in the Bus transportation field operations with new IVN5 models.