Reference · road & bridge standards

Hazard Warning Line

This specific road marking warns drivers of an upcoming hazard or a change in road conditions requiring extra caution.

A hazard warning line is typically a broken white line with longer segments and shorter gaps than a normal broken centre line. It indicates that overtaking is permissible only if it can be completed safely before reaching the hazard, or that drivers should exercise increased caution due to a bend, junction, or other potential danger ahead. Its application is carefully considered based on sightlines and road geometry.

Source: Traffic Signs Manual, Chapter 5: Road Markings

A reference page explaining a published road or bridge standard. It states the standard only; it makes no claim about any particular location.

Last updated 2026-08-05. This is a living record — findings are added as dated entries and prior versions remain visible.