Train companies have been assessed on how easy they make it for families with young children to travel.
Here are the scores for each operator, according to the Campaign for Family-Friendly Trains:
TfL Rail: 3.5 points
c2c: 3 points
London North Eastern Railway: 2.5 points
Merseyrail: 2.5 points
Govia Thameslink Railway (Gatwick Express, Great Northern, Southern and Thameslink): 2.5 points
Southeastern: 2 points
Hull Trains: 1.5 points
Lumo: 1.5 points
Transport for Wales: 1.5 points
Avanti West Coast: 1 point
CrossCountry: 1 point
Grand Central: 1 point
ScotRail: 1 point
The following operators did not respond to requests for information: Chiltern Railways, East Midlands Railway, Eurostar, Great Western Railway, Greater Anglia, London Northwestern Railway, Northern, South Western Railway, TransPennine Express and West Midlands Railway.