Not cycling, but would be a great service for people out cycling and not wanting to cycle there and back, or also wanting to have a start/end point further from home to do longer loops into the wilds of Berwickshire;
East coast rail study submitted to transport minister
http://www.bbc.co.uk/news/uk-scotland-edinburgh-east-fife-25334127
The final study into a rail service between Edinburgh and Berwick-Upon-Tweed has been submitted to the minister for transport.
The report recommends establishing a service from Edinburgh to Dunbar and Berwick-upon-Tweed, together with new stations at East Linton and Reston.