Pedestrian access explained
Turnstile Clear Passage vs Overall Footprint: What Each Means
A turnstile’s clear passage is the usable opening for a person. Its overall footprint is the space occupied by the equipment. They answer different questions, and confusing them can make two layouts look more similar than they are.
What is clear passage?
Clear passage means the space a person can move through when the lane is open. It is not necessarily the same as the distance between the outer edges of two cabinets. Panels, arms and housing can reduce the usable opening. The measurement should describe the open lane at the point that limits movement.
A wider clear passage can help accommodate people carrying bags or moving through a lane with mobility aids, but whether a particular lane is suitable depends on the complete facility design and applicable local requirements. A single width number cannot establish accessibility compliance.
What is overall footprint?
The equipment footprint is the area taken up by cabinets, posts or other fixed parts. A bank of lanes also includes spaces between units and the boundaries at each end. Its total installed width may therefore be much greater than the sum of the clear openings.
Footprint matters when comparing a compact tripod turnstile with a cabinet-style gate, but the difference cannot be reduced to one universal number. Actual dimensions vary by product and configuration. The turnstile range shows the families rather than one interchangeable enclosure size.
Why does moving space matter?
Some barriers move inside a cabinet or between two cabinets. Others swing outward or rotate through a larger arc. The space needed while a barrier opens is a movement envelope: it can extend beyond the fixed footprint. An open swing panel may also affect an adjacent waiting area or lane even if the cabinets themselves fit.
This is why a plan showing only cabinet rectangles can be misleading. The path people take toward and away from the lane matters too. A queue, adjacent door or wall can change how usable a passage feels without changing the gate’s nominal clear opening.
How do gate types differ?
| Gate family | Typical moving element | Dimension often overlooked |
|---|---|---|
| Tripod turnstile | Rotating arms | Arm movement and approach position |
| Swing gate | Swinging panel | Panel sweep outside the closed position |
| Speed or flap gate | Retracting or moving panels | Cabinet width around the usable opening |
| Full-height turnstile | Rotating cage or arms | Overall enclosure and approach space |
These are broad mechanical distinctions, not dimensional specifications or claims about a particular model. A gate’s own drawing controls its actual dimensions.
How should a drawing be read?
When comparing diagrams, identify four separate areas: the clear opening, the fixed equipment, the moving barrier’s full travel and the space people use before and after passage. Those labels give more useful context than a single “lane width” figure.
Another manufacturer’s Gunnebo RotaSec² product data sheet lists passage width separately from cabinet dimensions. Those figures describe Gunnebo equipment, not Zibor models.
The key distinction is simple: clear passage describes the opening; footprint describes the hardware; movement envelope describes the space the hardware uses while operating. Keep those three ideas separate when reading any turnstile layout.