First point of contact: HELPDESK If you have any Sentinel queries including the system, your competences or your card, please contact our 24/7 helpdesk by phone or email, instead of any Sentinel contacts you may have. A helpdesk operative will issue a ticket reference number and help to resolve your query as quickly as possible, […]

In a significant step towards the vision of ‘One Industry One Card’, Network Rail and Transport for London (TfL) have extended the use of Sentinel to London Underground (LU) and its supply chain. Sentinel cards will replace the LU LUCAS smartcard from 1 April 2015, although existing LU LUCAS cards will remain valid for access […]