You may want to increase your Trailer Stability in the gameplay settings to prevent the long chain from swaying at high speeds.
The focuses on High Capacity Transport (HCT) , which typically involves longer combinations than standard European rigs. OWNABLE 93-RP TRAILER MOD HCT V0.04.3
Reversing a double-jointed HCT is extremely difficult. It is often easier to use "straight-through" parking spots or skip reversing maneuvers at depots. You may want to increase your Trailer Stability
Because of its immense size, HCT trailers have legal restrictions within the game world: OWNABLE 93-RP TRAILER MOD HCT V0.04.3