Here's What The Bumpy Yellow Tiles On Walkways Are For & Why You Should Never Park On Them

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You might have seen these tiles on mall staircases, on the pavement by the road, or at public transportation stations.

The textured ground surface is called a tactile guidance surface indicator, according to a TikTok video posted by @nadiatul_farhana.

The video shows her husband, a blind person, walking on the pavement in a road tunnel while using a cane to detect the bumps on the tactile paving.

She says, "It is to guide the blind so they can walk safely."

"The tiles that have circles are the warning tiles, while the ones with parallel lines are called directional tiles," she explains.

The warning tiles function to warn vision-impaired people of where a walkway ends. Meanwhile, the directional tiles help tell the blind people which safe direction they should walk towards.

Then, a clip of her husband walking on the detectable surfaces at an MRT station appears. He is seen pointing his cane onto the black and, later, yellow tiles while walking in the same direction as the bumpy lines on them.

The video shows an example of things that can endanger visually impaired people, such as motorcycles parked on yellow tactile paving at a train station, blocking the path for visually impaired people.

She says, "Putting barriers on these tiles will endanger the blind people who are walking on them."

"If you see any blockade on the path, please help move it away," she pleads.

"My husband once tripped over a broken concrete bar on a tactile pavement. He got a bump on his head," she lamented.

She later shows a photo of her husband's injured forehead that was caused by the trip.

She went on to say in the comments section, "In my opinion, it's okay to walk on it. But don't stand there while waiting because my husband once almost bumped into someone who was standing there."