The Horizon Express (LEGO set no. 10223) works best of you use two of the sets and combine them into a train of 6 units. The train relates to the French TGV in the original paint from the 1980s.
I have equipped the train with an MTC4PF and a LEGO train motor in the locomotives and the front and rear of the train.
The locos have bidirectional lights, i.e. the change color when the direction of the train changes.
Learn more about the modifications to integrate the train into the Mattzobricks Train Automation System 2.0:
German version: