A booze ban on all ScotRail services is "under review" after the franchise passed to Scottish Government control.
Passengers are currently unable to bring their own alcoholic drinks on trains or purchase them from staff.
The policy was introduced across all ScotRail services in November 2020 as part of the transport network's response to the coronavirus pandemic.
It was branded a "temporary measure" but no announcement has been made on when it could be lifted.
The booze ban was welcomed by the RMT rail union as a way of helping keep "our staff and passengers safe".
The ScotRail franchise - which provides the vast majority of passenger services in Scotland - passed to Scottish Government control on April 1.
Revenues have plummeted as a result of repeated lockdowns which saw thousands of office workers end their traditional morning commutes.
ScotRail mainline services previously sold drinks and snacks onboard trains but this was halted in March 2020 when the first lockdown was introduced.
A spokesman for Transport Scotland said: "The potential reintroduction of alcohol on Scotland’s railway services is currently under review.
"However, the transport minister has been very clear about the need to improve safety on our railways for all passengers.
"Any consideration of the reintroduction of alcohol on ScotRail trains would need to consider this matter within that broader context of passenger – and staff – safety."
Graham Simpson, transport spokesman for the Scottish Conservatives, said: "As we emerge from the pandemic, ScotRail should engage with passengers to find out if they want this blanket alcohol ban maintained.
"If the ban is to be lifted, then this must be done in line with what users wish, as we encourage more of them back onto trains.
"Our railway staff must also be given the necessary resources to tackle any irresponsible drinking on ScotRail services."
Transport minister Jenny Gilruth previously told the Record that ScotRail needed to find new ways of encouraging passengers back on trains.
All public transport fares are currently being reviewed but there is no timetable for cutting them.
The Scottish Government has launched a "national conversation" on the future of ScotRail that will ask staff and passengers on how the network can be improved.
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