DB Regio UK are objecting strongly to ATW's proposals for Aberystwyth - Marylebone services, threatening to withdraw the WSMR services and stating that the the new services would have a serious impact on the Evergreen 3 upgrade.
http://www.rail-reg.gov.uk/upload/pdf/s22-atw-38sa-chiltern-191009.pdf
http://www.rail-reg.gov.uk/upload/pdf/s22-atw-38sa-chiltern-app1.pdf
http://www.rail-reg.gov.uk/upload/pdf/s22-atw-38sa-chiltern-191009.pdf
http://www.rail-reg.gov.uk/upload/pdf/s22-atw-38sa-chiltern-app1.pdf