Today (Tuesday, June 21) marks the first of a three-day walk-out, with industrial action also planned later this week on Thursday (June 23) and Saturday (June 25).
There are only a percentage of trains running at reduced hours on these days.
Members of Berwick Rail RMT branch joined Trades Council and local activists at Berwick Railway Station to raise awareness of the issues.
They include, according to the RMT “proposed job cuts, pay freezes and attacks on terms, working conditions and practices for rail staff”.
Andrew Haines, Network Rail chief executive, said last week: “Talks have not progressed as far as I had hoped and so we must prepare for a needless national rail strike and the damaging impact it will have.”