(1) A provision mentioned in subsection (2) does not apply to a person at the site of, and engaged in, roadworks if, in the circumstances—
(a) it is not practicable for the person to comply with the provision; and
(b) sufficient warning of the roadworks has been given to other road users.
(2) For subsection (1), the provisions are as follows:
(a) division 4.1 (Left turns);
(ab) division 4.2 (Right turns);
(b) part 7 (Giving way), except the following:
(i) section 67 (Stopping and giving way at stop sign or stop line at intersection without traffic lights);
(ii) section 68 (Stopping and giving way at stop sign or stop line at other places);
(iii) section 69 (Giving way at give way sign or give way line at intersection (except roundabout));
(iv) section 70 (Giving way at give way sign at bridge or length of narrow road);
(v) section 71 (Giving way at give way sign or give way line at other places);
(c) part 8 (Traffic signs and road markings), except the following:
(i) section 102 (Clearance and low clearance sign);
(ii) section 103 (Load limit sign);
(d) part 11 (Keeping left, overtaking and other driving rules);
(e) part 12 (Restrictions on stopping and parking);
(f) section 224 (Using horn or similar warning device);
(g) part 14 (Rules for pedestrians), except section 236 (1) (Pedestrian not to cause traffic hazard or obstruction);
(h) section 264 (Wearing seatbelt—driver);
(i) section 265 (Wearing seatbelt—passenger 16 years old or older);
(j) section 268 (How people must travel in or on motor vehicle);
(k) section 288 (Driving on path);
(l) section 289 (Driving on nature strip);
(m) section 290 (Driving on traffic island);
(n) section 295 (Motor vehicle towing another vehicle with towline);
(o) section 296 (Driving vehicle in reverse);
(p) section 297 (2) (Driver to have proper control of vehicle etc);
(q) section 298 (Driving with person in trailer).
(3) Section 20 (Obeying speed limit) does not apply to a driver—
(a) driving a snow-clearing vehicle and engaged in snow-clearing; or
(b) driving a motor vehicle and engaged in speed zoning tests authorised by the road transport authority.
(4) In this section:
"roadworks" means—
(a) construction or maintenance of a road; or
(b) road cleaning; or
(c) installation or maintenance work authorised by the road transport authority on, above or below a road; or
(ca) installation or maintenance of a traffic control device authorised by the road transport authority; or
(d) installation or maintenance of a traffic-related item or traffic monitoring device authorised by the road transport authority; or
(e) a traffic survey authorised by the road transport authority; or
(f) a road surface survey test.