 Lothian Buses have operated a flat @-@ fare system , charged per adult , since March 2006 ; child fares , all @-@ day tickets , pre @-@ paid multiple singles and ' Ridacards ' are also available , with senior citizens travelling on free travel passes in line with the rest of Scotland . Since April 2016 , an Adult single fare is £ 1 @.@ 60 , and a child is 80p . A day ticket is £ 4 @.@ 00 since 19 April 2015 . 
