(1) In the dictionary to the Principal Rules, paragraph (e) of the definition of emergency vehicle is revoked .
(2) In the dictionary to the Principal Rules, insert the following definitions—
""enforcement vehicle" means a vehicle being used to convey an officer of the Corporation or of the Department of Transport engaged in connection with the enforcement of the—
(a) Accident Towing Services Act 2007 ; or
(b) Bus Safety Act 2009 ; or
(c) Rail Safety Act 2006 ; or
(d) Road Management Act 2004 ; or
(e) Road Safety Act 1986 ; or
(f) Transport Act 1983 ;
"enforcement vehicle worker" means the driver of, or passenger in, an enforcement vehicle;
"escort vehicle" has the same meaning as it has in regulation 5 of the Road Safety (Vehicles) Regulations 2009;
"escort vehicle worker" means the driver of, or passenger in, an escort vehicle;".
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