The A122 (Lower Thames Crossing) Development Consent Order 2025

Operation of the Orsett Cock roundabout

18.—(1) No part of Work No. 7F is to commence until a scheme for the Orsett Cock roundabout has been submitted to and approved in writing by the Secretary of State, following consultation with the relevant highway authority, the Port of Tilbury London Limited DP World London Gateway, and Thames Enterprise Park.

(2) The scheme submitted under sub-paragraph (1) must—

(a) be based on, and informed by—

(i) appropriate pre-construction monitoring data following the consultation required by sub-paragraph (3); and

(ii) an assessment, which must include microsimulation modelling, of the likely traffic impacts on the Orsett Cock roundabout arising from the authorised development during the operation of the authorised development; and

(b) include details, and a programme for the implementation, of—

(i) the proposed design, and construction of improvements to the Orsett Cock roundabout; and

(ii) measures that are reasonably necessary to—

(aa) minimise delays for traffic arising as a result of the operation of the authorised development; and

(bb) ensure and optimise the performance of the Orsett Cock roundabout.

(3) The undertaker must consult the relevant highway authority on the methodology proposed for monitoring under sub-paragraph (2)(a)(i), and such consultation must include details of the proposed—

(a) locations to be monitored;

(b) time periods to be monitored; and

(c) method by which the monitoring data will be collected.

(4) The Orsett Cock roundabout must be included as a location for monitoring in the scheme submitted under paragraph 14 (traffic monitoring) of this Schedule.

(5) The authorised development must be carried out in accordance with the approved scheme referred to in sub-paragraph (1).

(6) In considering a scheme submitted for approval under sub-paragraph (1), the Secretary of State), in addition to other matters that the Secretary of State considers relevant, must take into account—

(a) any representations provided pursuant to paragraph 24(1)(d) (details of consultation) of this Schedule;

(b) any representations which the undertaker must have duly considered pursuant to paragraph 24(1)(c) of this Schedule but which are not reflected in the scheme submitted for approval; and

(c) whether the scheme submitted ensures and optimises the performance of the Orsett Cock roundabout.

(7) In this paragraph, “ensure and optimise the performance” is to be construed to include improving reliable and efficient traffic journeys through the Orsett Cock roundabout having due regard to avoiding impacts on Orsett Village, journeys from the Port of Tilbury and London Gateway port to the strategic road network and the importance of the Orsett Cock roundabout for port operations.