“application” means an application or request for any consent, agreement or approval required  or contemplated by articles 6 (street works), 8 (construction and maintenance of new, altered  or diverted streets), 11 (temporary stopping up and restriction of use of streets), 12 (access to  works), 15 (discharge of water), 17 (authority to survey and investigate land) and 53 (traffic  regulation measures); and  “relevant authority” means a planning authority, a traffic authority, a highway authority or a  street authority.  Signed by authority of the Secretary of State for Transport  Susan Anderson Head of the Transport and Works Orders Unit  Department for Transport  30th April 2020  48