Network Rail will be running reduced services this week due to strikes on Tuesday 21 June, Thursday 23 June and Saturday 25 June.
This is not possible in all areas and there are some routes where rail services will not operate, in other areas a limited service will run, but will start later and finish much earlier. There will also be a reduced service on the days between and after the strike, Wednesday 22 June, Friday 24 June and Sunday 26 June.
The dedicated web page www.gwr.com/strike now has an overview of the timetable for each region and clear maps showing where services are operational.
They are recommending that even where services are possible customers should only travel if absolutely necessary, services will be busy, and there will not be any replacement road transport.
It is also important to note that there could be further changes, even on the day, particularly if cover cannot be maintained for signal boxes, where routes will need to stop operating.