National Transport Authority (NTA) A record of correspondence to and from the National Transport Authority's chief executive in relation to the staging of the Dublin City Marathon. This should include a record of letters, emails, text messages, WhatsApp messages, briefing documents, draft briefing documents, memos, draft memos, and presentations. This correspondence should include that sent/received internally at the National Transport Authority, as well as correspondence with Dublin City Marathon organisers, Dublin City Marathon sponsors, Dublin City Council, Dublin Bus, and the offices of ministers at the Department of Tourism and Sport.