Are you a passenger on Southern Rail? Would you like to tell your story?
You can feed back your experiences during the revised, temporary timetable period to Transport Focus through its new travel diary app.
Transport Focus will feedback the responses they receive to Govia Thameslink Rail services and the government as well as publish the latest feedback on its website.
Click here to read more and find out how to take part.
Click here to go to the Southern website and claim Delay Repay compensation if you are more than 30 minutes late.