COMMUTERS are being warned they could face more frustration – this time because ticket machines may not accept their money.

Queues could be even longer at ticket machines at the county’s stations from Tuesday, as not all machines will have been modernised to accept the new £1 coins.

Eleven out of 18 rail providers questioned by The Telegraph including Govia Thameslink Railway admitted some of their ticket machines will reject the 12-sided coin when it enters circulation.

Customers who find ticket machines reject the new coins face having to queue up at ticket offices to swap them for round pounds.

The new 12-sided coin will enter circulation on March 28, six months before the current £1 is phased out in October.

James Daley, director at Fairer Finance, a consumer finance campaign group, said the failure was another example of rail firms' failure to put their customers needs first.

A GTR spokesman said: "Many of our ticket machines will accept the new £1 coin on Tuesday, and by October 15, all will be fully enabled."