This is a scenario for the Fen Line Route – available from On Track Simulations (https://www.ontracksimulation.com/fenline.html)

Brief:
Following the failure of 365519 last night, 317303 has been brought in to cover 1T11 up to Kings Cross. You will be taking it as far as Ely but will it all be plain sailing?
(Summer 2003)

Requirements:

From On Track Simulation:
The Fen Line Phase 1

From Armstrong Powerhouse:
Class 317 EMU Pack Volume 1
Class 37 Locomotive Pack Volume 2
Class 156 DMU Pack
JNA Wagon Pack
Sky & Weather Enhancement Pack (optional)

From Steam:
GEML London – Ipswich