Answers to A Few Important Questions Related to Tactile Indicators

You may often come across various places like road crossings, railway platforms, and airports, certain areas are grooved and also coloured. These are specially meant for people who are visually impaired so that they can easily sense either through their feet or with their walking sticks.

These are known as tactile indicators or TGSI (Tactile Ground Surface Indicators) Olejar is a company that manufactures them.

What are these tactile indicators?

These can either be elongated bars or raised truncated cones, which are generally installed on walking surfaces to alert visually impaired people to walk carefully. Basically, these indicators serve as an indicator for such groups of people.

What are the primary distinctions between directional and warning tactile indicators?

Warning tactile indicators are having a textured surface that can more or less work as warning signs to warn pedestrians, particularly those who are either blind or have a visual impairment.

Directional tactile indicators are also textured surface that consists of certain directional bars too so that the pedestrians may get an idea in which direction they should move.

What materials are used for tactile indicators?

There are many different materials that can be used for such tactile indicators e.g., polyurethane, precast concrete, stainless steel, ceramics, and rubbers.

Any durable, corrosion-resistant, and UV-stable materials like brass, stainless steel, and thermoplastic polyurethanes will be the best materials for tactile indicators

Is it compulsory that tactile indicators have to be yellow?

Though it is not absolutely necessary, however, yellow is usually recommended because of its colour compatibility with the majority of substrates.

Then why most tactile indicators are always yellow-coloured?

That is because the yellow colour can be conveniently seen very easily by people even with very low vision.

Whether tactile indicators need to have colour contrast?

Whether integrated or even discrete, tactile indicators must offer and also maintain a proper colour contrast in comparison with the substrate of the surroundings.

Such visual contrast can easily warn any pedestrians even if they have very poor vision.

How much any tactile indicator may cost?

The cost of the tactile indicator will be decided based on what materials have been used for their making and also on what kind of substrate it has been installed.

Which type of tactile materials are supposed to be most durable?

Usually, tactile indicators are made of stainless steel, considered to be the most durable material available on the market.  Brass-made tactile indicators are also considered to be a durable material, but the quality of brass may vary.

Polyurethane-made tactile indicators are also quite durable if a good quality of materials is used by the manufacturers.

Is it possible to install these tactile indicators on your own?

Yes, certain manufacturers have designed these tactile indicators in such a manner that makes them very convenient for any DIY enthusiasts to install them at their place.


We have tried to answer some of the most commonly asked questions related to tactile indicators. However, there may be many more questions that people may have regarding tactile indicators, which can easily be found on the web.

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