Arriva Rail London have implemented SiteSentinel at their Chingford depot.

Arriva Rail London, part of the Arriva Group, operate the London Overground network on behalf of Transport for London. The network operates 1473 services using 96 trains on six routes.

The SiteSentinel platform provides an online induction, test and administration interface. The system is designed to consistently deliver relevant, high-quality information using text, photos, video and illustrations. SiteSentinel provides an audit trail of site inductions for staff, visitors, and contractors.