Passenger satisfaction with rail services has fallen to a 10-year low.
The latest Transport Focus survey of more than 25,000 passengers found that overall satisfaction was 79%.
This is the lowest level since 2008.
The National Rail Passenger Survey was conducted between September 1 and November 16 last year.
Transport Focus blamed worsening punctuality, the timetable chaos of last summer and continued disruption due to strikes for causing passengers to be frustrated with the railways.
Comparing the percentage of journeys that passengers rated as satisfactory with the same measure in autumn 2017, Heathrow Express and Chiltern Railways were the only two out of 25 train companies to have significantly improved.
Over the same period, seven operators recorded a significant decline in satisfaction. They were Great Northern, Northern, TransPennine Express, Greater Anglia, Thameslink, ScotRail and London North Eastern Railway.
The highest rating was achieved by Heathrow Express at 96 per cent, while the lowest was recorded by Great Northern at 68 per cent.