(1)If a highway authority, bridge authority or authority to whom section 56A of this Act applies fail to comply with any direction given under section 55(2) or 61 of this Act, the appropriate Minister may himself carry out the work required by the direction; and the expense incurred by him in so doing shall be recoverable by him from the authority and, in England or Wales, shall be so recoverable summarily as a civil debt.
(2)Any such direction as aforesaid—
(a)if relating to a road or bridge in England or Wales, shall be enforceable on the application of the appropriate Minister by mandamus;
(b)if relating to a road or bridge in Scotland, shall be enforceable by order of the Court of Session on the application by the Lord Advocate under section 91 of the [1868 c. 100.] Court of Session Act 1868.
(3)If a highway authority fail to comply with any direction under section 56(2) of this Act the Greater London Council may carry out the work required by the direction, and the expense incurred by that Council in so doing shall be recoverable summarily as a civil debt from the authority.