Road-safety reference

What advance warning signage is for

Signs exist for the driver who does not know the road. What the Traffic Signs Manual requires and why it matters most to strangers.

This is a reference page. A fuller, fully-sourced version is being prepared as part of the road-safety library; the summary above states only what the published data supports. Being expanded

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