The Road Traffic (Northern Ireland) Order 1995

Traffic directions and traffic signs

Contravention of traffic directions or traffic signs

49.  If a person, without reasonable excuse, contravenes a direction given by a constable in uniform carrying out functions under the Road Traffic Orders or an indication given by a traffic sign, except where that indication is at variance with a direction given by a constable in uniform, he is guilty of an offence.

Traffic directions for purposes of traffic surveys

50.—(1) A constable in uniform giving a traffic direction for the purposes of a traffic survey of any description which is carried out on or in the vicinity of a road shall be deemed for the purposes of Article 49 to be carrying out functions under the Road Traffic Orders.

(2) Article 49 shall apply to a traffic sign by which an indication is given for the purposes of the survey.

(3) In this Article “traffic direction” and “indication” mean a direction or indication—

(a) to stop a vehicle,

(b) to make it proceed in, or keep to, a particular line of traffic, or

(c) to make it proceed to a particular point on or near the road on which the vehicle is being driven or propelled,

but does not include a direction or indication requiring any person to furnish any information for the purposes of a traffic survey.

(4) The power to give a traffic direction or indication for the purposes of a traffic survey shall be so exercised as not to cause any unreasonable delay to a person who indicates that he is unwilling to furnish any information for the purpose of the survey.