RMT members, a disability campaigner and a local councillor have joined together to protest against the rise in fares.
The UK, Scottish and Welsh Governments set a cap on the annual rise on most fares - which include season tickets - linked to July's Retail Prices Index (RPI) measure of inflation.
The figure will be announced by the Office for National Statistics at 9.30am and is expected to be about 2.8%.
Craig Johnston, a Carlisle based official with the RMT rail workers union said: "We are protesting against the fare increases.
"We are seeing the year on year rail fare increases which are meaning that many people are having to think twice about travelling by train.
"The RMT has done a survey showing that in terms of people travelling to work, people using the trains for leisure or tourism, visiting friends and relatives that the cost of rail travel is becoming increasingly problematic."
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