Market research, from reputable sources, is usually not freely available. We subscribe to several sources of commercial market intelligence:
Free resources from the British Library:
BFI Player: Free historical archive footage of British Transport.
DfT Youtube channel: The official Youtube channel for Department for Transport videos.
Selected help guides are linked below. All the database homepages also have their own help pages which have the most up-to-date user guides and videos - we recommend you make use of these.