A council led study suggests it is potentially feasible to develop a coastal route between the two towns.
The coastal route in question is close to 20km in length extending between the southern end of the Bray to Greystones Cliff Walk at Greystones Harbour to the Murrough Car Park in Wicklow Town.
Irish Rail has commissioned a Coastal Protection Study of the area along the railway line, between Merrion Gates and the County boundary with Wexford.
Council officials are expected to go to tender in the New Year to secure consultants to progress the project.