On Stable 525 character lags and teleports.
Certain doors can not be openend, Grey tin and wodden sheds, garages, big tin buildings with double Doors and hangar.
To enter those run into them and you can glitch enter hru the door or If you run to much you exit the building on the other side.
Train cars can not be openend on one side but can be entererd the same way. The other side can be openend by using open door animation.