Tactile warning

External stairs tactile warning surfaces

Tactile surface dimensions

  • gap from stair: 300mm
  • depth of surface: 600-900mm

Horizontal Strip Dimensions

  •  separation of strips: 50mm
  • width of strip: 20mm
  • height of strip: 6mm

Kerb cuts

  • Accessible path gradients should be maintained at kerb cuts where possible.
  • Truncated dome detectable warning surface to be used.
  • Floor materials need to be firm, stable and slip resistant.


  • Kerb cuts should avoid water pooling by draining water away from path of travel. 

Flared sides

  • The flared sides of kerb cuts should be distinct colour contrast to surrounding surfaces.

Tactile warning surface

  • Detectable tactile warning surfaces at kerb cuts required
  • Warning paving should extend full width of kerb cut
  • The change of level between kerb cut and roadway should be 10-15mm high