(2) Subject to paragraph (3), on such day as the undertaker may determine, the road described in  Part 5 (roads to be de-trunked) of Schedule 3 are to cease to be trunk roads as if they had ceased to  be trunk roads by virtue of an order made under section 10(2) of the 1980 Act specifying that date  as the date on which they were to cease to be trunk roads.  (3) The undertaker may only make a determination for the purposes of paragraph (2) with the  consent of the Secretary of State, who must consult the local highway authority before deciding  whether to give that consent.  (4) From the date on which the roads specified in Part 6 (speed limits) of Schedule 3 are open  for traffic, no person is to drive any motor vehicle at a speed exceeding the limit in miles per hour  specified in column (3) of Part 6 of Schedule 3 along the lengths of road identified in the  corresponding row of column (2) of that Part.  (5) On such day as the undertaker may determine, the order specified in column (3) of Part 7  (revocations and variations of existing traffic regulation orders) of Schedule 3 is to be varied or  revoked as specified in the corresponding row of column (4) of that Part in respect of the lengths  of roads specified in the corresponding row of column (2) of that Part.  (6) On such day as the undertaker may determine, the orders specified in column (3) of Part 8  (new traffic regulation orders sought) of Schedule 3 are to be made in respect of the roads  specified in the corresponding row of column (2) of that Part.  (7) The application of paragraphs (1) to (6) may be varied or revoked by any instrument made  under any enactment which provides for the variation or revocation of such matters.  12. —(1) The undertaker, during and for the purposes of carrying out the authorised  development, may temporarily stop up, alter, divert or restrict the use of any street and may for  any reasonable time—  (2) Without limitation on the scope of paragraph (1), the undertaker may use any street  temporarily stopped up or restricted under the powers conferred by this article and which is within  the Order limits as a temporary working site.  (3) The undertaker must provide reasonable access for pedestrians going to or from premises  abutting a street affected by the temporary stopping up, alteration or diversion of a street under  this article if there would otherwise be no such access.  (4) The undertaker must not temporarily stop up, alter or divert or restrict the use of any street  for which it is not the street authority without the consent of the street authority, which may attach  reasonable conditions to any consent but such consent must not be unreasonably withheld or  delayed.  (5) Any person who suffers loss by the suspension of any private right of way under this article  is entitled to compensation to be determined, in case of dispute, under Part 1 of the 1961 Act.  12 (i) a principal road for the purpose of any enactment or instrument which refers to  highways classified as principal roads; and  (ii) a classified road for the purpose of any enactment or instrument which refers to  highways classified as classified roads; as if such classification had been made under section 12(3) (general provision as to  principal and classified roads) of the 1980 Act;  (c) the roads described in columns (1) and (2) of Part 3 (unclassified roads) of Schedule 3 are  to become unclassified roads for the purpose of any enactment or instrument which refers  to unclassified roads;  (d) the public right of way described in Part 4 (other public rights of way) of Schedule 3 will  be of the type described in column (1) of that Part to the extent described in column (2).  (a) divert the traffic from the street; and  (b) subject to paragraph (3), prevent all persons from passing along the street.  Temporary stopping up and restriction of use of streets 