Maintenance of highway plans

(1) The highway authority shall, after having made a survey of each highway and its boundaries, prepare and maintain a plan as approved by the competent authority in respect of such highway. (2) A plan maintained under sub-section (1) shall show clearly the boundaries of the highway, the detailed measurements of road widths, the distance between boundary marks and sufficient measurements from fixed points to enable the re-fixation in position of boundary marks in case they have been displaced or tampered with.