A group of MPs has urged the government not to increase train fares even further for those travelling at the height of the rush hour.
The government's currently considering plans to increase fares during peak hours, in a bid to pursuade passengers to travel at quieter times.
But the Commons Transport Select Committee says that would effectively be a tax on commuters.
More top news
London's technology startup firms are warning of the threat of a 'techxit' brain drain.
London mayor Sadiq Khan refused to be drawn into the row over Labour leader Jeremy Corbyn.
London born 'robot lawyer' inventor has beaten 160,000 parking fines in the capital and New York since