New Roads and Street Works Act 1991

6 (1) Subject to the concession agreement and to paragraph 2, all agreements and other transactions entered into or effected by the concessionaire and subsisting immediately before the ending of the concession, in so far as they relate to property, rights or liabilities transferred to the highway authority shall have effect with the substitution of the authority for the concessionaire.

(2) Accordingly—

(a) such an agreement or transaction may be enforced by or against the highway authority, and

(b) references to the concessionaire in an agreement (whether or not in writing) and in a deed, bond or other instrument or document, so far as relating to the property, rights or liabilities mentioned above shall be taken after the ending of the concession as referring to the highway authority.