The sublease TfL holds on the last 3x2-car diesel trains expires at midnight this Friday, 15 March 2019. Thereafter only 3x4-car electric trains, 378 206, 378 209 & 378 232, will be available to work on the Barking - Gospel Oak Overground line.
In spite of this, TfL seem to maintaining an information black-out. The TfL website is still announcing that a 6-train, 15-minute frequency full service will operate from 16 March!
Please find attached the expected Monday - Friday train times from Monday 16 March, based on the little information released by TfL. Due to this information vacuum, it is not possible to predict what kinf of service, if any will operate on Saturdays & Sundays.
Barking - Gospel Oak Rail User Group
Below, predicted Monday to Friday service from 18 March, the 3 trains that will be relied on to provide that service and the last poster issued by TfL.