“U-turns Prohibited - Section 143”

No driver or operator of a vehicle upon a highway shall turn the vehicle so as to proceed in the opposite direction when,

(a) upon a curve where traffic approaching the vehicle from either direction cannot be seen by the driver of the vehicle within a distance of 150 metres;

(b) on a railway crossing or within 30 metres of a railway crossing;

(c) upon an approach to or near the crest of a grade where the vehicle cannot be seen by the driver of another vehicle approaching from either direction within 150 metres; or

(d) within 150 metres of a bridge, viaduct or tunnel where the drivers view is obstructed within such distance. R.S.O. 1990, c. H.8, s. 143.