A UK train set in 2cc designed for playability rather than realism with a variety of features including...
2cc (or not, through a parameter)
Selectable liveries (or not, through a parameter)
Variable length EMUs and DMUs
A pacer
Functioning driving trailers
Other things
So far this contains 42 rail vehicles: Swind Type 1 (Diesel), EE Type 3 (Diesel Electric), EE Whistler (Diesel Electric), Sulzer Type 4 (Diesel Electric), GE Powerhaul (Diesel Electric), Stadler UK Light (Diesel Electric), Leyland "Pacer" (Diesel), BR Southern DEMU "Thumper", (Diesel Electric), BREL HST (Diesel Electric), Bombardier Voyager (Diesel Electric), BREL 87 (Electric), Brush/ABB "92" (Dual Voltage), Stadler Euro Dual (Electro Diesel), BR Compartment EMU (3rd rail), BREL Second Generation EMU (Electric & Dual Voltage), BREL Suburban EMU (3rd Rail), BR Mark 1 EMU (3rd Rail), BREL Thameslink Classic (Dual Voltage), BREL "Wessex Express" (3rd Rail), Metro-Cammel "Networker" (Dual Voltage), Bombardier "Electrostar" (Dual Voltage), Siemens "Desiro (3rd Rail & Dual Voltage), Siemens "Desiro City" (Dual Voltage), BREL Eastern Region Suburban EMU, BR Bulk Goods Wagon, Nuclear Flask Wagon, Intermodal Container Wagon, Mark 1 Carriage, BREL Mark 2 Carriage, BREL Mark 2 Driving Coach, BREL Mark 3, BREL Driving Van Trailer, Modern MU Car. Narrow Gauge vehicles: Double Fairlie 0-4-0 + 0-4-0 (Steam), Beyer-Garratt 2-4-2 + 2-4-2 (Steam), Ashbury Carriage, Bristol Carriage, Slate Wagon, Plank Bulk Wagon. This is set to increase in the future. If there are any bugs that you notice, please tell us as soon as possible.
In terms of cargo compatibility, this set is in an early stage so only has passenger cars, mail cars and 6 wagons so far. This is set to change, thanks to ATN, who's directed us to some GPL wagons.
Also available is "RUKTS - Extension" GRF which will contain additional graphics to go with the main GRF that aren't UK rail vehicles.
Currently available in the extension GRF:
Nuclear cargo chain - Uranium Mine -> (Uranium) -> Power Station -> (Nuclear Waste) -> Nuclear Reprocessing Site.
Download Links are on GitHub:
All GRF files and Source code
Avaliable on BaNaNaS (online content downloader)

The repo:
https://github.com/StarRaid/Representitive-UK-Trainset