Platform Edge (Off-Street) Warning Surface
The purpose of this system is to warn visually impaired pedestrians of the edge of all railway platforms.
Platform Edge (On-Street) Warning Surface
The purporse of the platform edge (on-street) warning surface is to warn visually impaired people.
The purpose of the corduroy surface is to warn visually impaired people of the presence of specific hazards:
Section 12 Platform Edge Warning
Acrylic resin based methyl methacrylate (MMA) tactile system which has been specially formulated to with stand heavy foot and vehicular traffic