Take an 8-car class 387 on a service from Brighton to Bedford as far as Loughborough Junction in December of 2015, not long after class 387s had been deployed on the Thameslink route.

Requirements:

Steam
– Brighton Mainline
– South London Network
– Class 455/8
– Class 465
– Class 170 DMU or Edinburgh – Glasgow
– Class 378
– Class 442

Steam Workshop
– South London – Brighton^

Armstrong Powerhouse
– Class 377/379/387 Enhancement Pack^
– Class 375/377 Enhancement Pack^
– Class 455 Enhancement Pack Volume 2*
– Class 465 Enhancement Pack Volume 1^
– Class 319 EMU Pack Volume 1*
– Class 442 Sound Pack*

*- Denotes non-essential

^ denotes these addons have their own requirements, and these are ESSENTIAL for the scenario to function correctly.

There is a LOT of Electrostars in this scenario – if you’re an Electrostar lover, this one’s for you!