 It is a condensed humanist sans-serif akin to wider Frutiger or Myriad (letters), and the name Casey comes from KC, the first 2 letters of KCRC.Dalton Maag later amended Casey and release it as a commercial font named "Stroudley".Stroudley then served as a template for the Barlow typeface made for the signage at London St Pancras International station.