Commuters and Christmas shoppers are facing delays on the trains after a signalling problem on the cross city line.
London Midland is introducing rail replacement buses after the issue near Aston.
Due to Signalling fault at Aston road transport has been ordered to run Longbridge – Redditch & Lichfield TV – Lichfield C – Sutton C'field
— London Midland (@LondonMidland) December 19, 2016
