“approved arrangements” means arrangements approved for the purposes of paragraph 6 of Schedule 17;

“authorised works” means works authorised by this Act;

“electronic means” includes email and the internet;

“heavy commercial vehicle” has the same meaning as in the Road Traffic Regulation Act 1984 (see section 138 of that Act);

“traffic authority” has the same meaning as in the Road Traffic Regulation Act 1984 (see section 121A of that Act);

“working day” means any day which is not a Saturday or Sunday, Christmas Day, Good Friday or a bank holiday in England and Wales under the Banking and Financial Dealings Act 1971.