
Reeves is widely expected to raise taxes in her budget, but for those using the railways frequently, frozen fares will offer some relief.
The Treasury also said the freeze would help limit inflation by holding down the cost of rail travel.
It is the first time in 30 years rail fares have been frozen, a statement from the Treasury said, adding that it will cover season tickets, peak returns for commuters and off-peak returns between major cities.
“The move will save commuters hundreds of pounds off their season tickets, freeze costs for travellers, and support growth in town centres across the country,” the statement said.