Any device, esp. a turnstile, but including a gate, railing, or post, used to control or monitor the flow of pedestrian traffic, to control access to a given area, etc.
A barrier or protection attached to the sides of a bridge to be a guide for moving pedestrian traffic. can be decorative or customized to some extent according to client's needs. examples.
Pedestrian or "other user" restraint system along a bridge or on top of a retaining wall or similar structure and which is not intended to act as a road vehicle restraint system
