Specifications and open APIs (Application Programming Interfaces) help public transport providers to set-up their IT-systems. An initiative championing for interoperability in public transport is ITxPT (Information Technology for Public Transport). By granting their ITxPT-label they confirm a product’s usage of open architecture, data accessibility and interoperability. INIT, founding and stategic member of the ITxPT association, has received this label for its IPC-based On-Board Computer for vehicles, COPILOTpc3.