What’s This That You Always See on an Escalator? Seems Kinda Pointless!

The next time you’re riding an escalator, take a moment to look at the edge of the steps or the side of the handrail. You’ve probably noticed a small strip of material or a groove running along it. It might seem like a minor detail, even a bit pointless at first glance. But trust me, this seemingly insignificant feature plays a crucial role in keeping you safe while you’re on the escalator. Here’s what it is, and why it matters!

What You’re Looking At: The Step and Skirt Guard Grooves

So, what exactly is this feature? You’ve likely seen step and skirt guard grooves, also known as groove patterns or safety grooves, on the edges of escalator steps. These grooves are often a little more noticeable when the escalator is stationary or in motion, and they seem to be all over the place on older or more heavily used escalators. But they aren’t just there for show.

Why Are They There?

1. To Improve Traction

One of the primary reasons for these grooves is to provide better traction for passengers. Escalator steps can get slippery, especially in places with a lot of foot traffic or if water, dust, or oil makes its way onto the escalator. The grooves help create additional friction, which makes it easier and safer to step onto or off the escalator.

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