were replaced by the new Class 345 Aventra from August 2017. On 20 October 2018, the first retired unit, 315850, was hauled to C F Booth of Rotherham to be scrapped. The last Elizabeth line unit in service was on 9 December 2022, after which all of the units had either been scrapped, stored or preserved. Fleet details Livery diagrams Named units The following units have carried names 315827 – Transport for London 315829 – London Borough of Havering Celebrating 40 years 315845 – Herbie Woodward 315857 – Stratford Connections Preservation On 23 July 2021, the Class 315 Preservation Society announced on their website that they had reached an agreement in principle with Eversholt Rail Group to acquire a Class 315 for preservation, and the sale was confirmed on 1 December 2022. The society had originally planned on acquiring unit 315820, but following the finalisation of the sale agreement stated that they had instead secured unit 315856. References Further reading 315 315 Train-related introductions in 1980 25 kV AC multiple units