6SAn order under section 4 of the Trunk Roads Act 1946 (certain powers relating to side roads connected with trunk roads) continued in force by section 14(6) of the Special Roads Act 1949 and still in force (whether or not varied under the said section 14(6)) immediately before the commencement of this Act, shall continue in force and the provisions of the said section 4 shall continue to apply to any such order as if that section had not been repealed.