The website has all the info about how to apply
Days Out by Train in the West of England aims to remove financial barriers to rail use for low-income, disadvantaged communities living in the West of England area: Bristol, Bath & North East Somerset, North Somerset and South Gloucestershire. To achieve this, the project will provide FREE RAIL TRAVEL for groups of people from disadvantaged communities wishing to spend a day out in a variety of destinations in the West of England area. Free rail travel will be provided for journeys on Great Western Rail (GWR) services only, from June 2016 to February 2017 included.
Wherever you are located in the West of England, there are lots of destinations you can select for a day out by train in the West of England area: Bristol, Bath & North East Somerset, North Somerset and South Gloucestershire. Here are some suggestions:
Bristol – Remember there are several local rail stations in Bristol in addition to Temple Meads, so you can reach many different attractions and places, some of which are free to access such as parks, museums, city farms etc.
Find the nearest Bristol park with the free app provided by the Bristol Park Hive project
Windmill Hill City Farm, a short walk from Bedminster station in Bristol
St Werburghs City Farm, 15-20 min walk from Montpelier station in Bristol
Lovely walks in Bristol
Royal Victoria Park, a short walk from Bath Spa station
The Holburne Museum (free and child-friendly), a short walk from Bath Spa station
Walking in and around Bath
Bradford-on-Avon, where you can walk to the Avoncliff station along the canal
More walking routes in the West of England some of which are accessible by rail, including walks in North Somerset and South Gloucestershire