LineRepeater.cs

public class LineRepeater : MonoBehaviour
{
    private Transporter _transporter;

    private void Awake()
    {
        _transporter = FindObjectOfType<Transporter>();
    }

    private void OnTriggerEnter(Collider other)
    {
        //Debug.Log("trigger enter with " + other.gameObject.name);

        if(other.gameObject.tag == "line_element")
        {
            _transporter.ResetPosition(other.gameObject.transform);
            //_transporter.ResetPosition(other.GetComponent<Rigidbody>());
        }
    }
}