The word "stanchions" is correct in written English.
It is typically used to refer to upright posts or poles that support a barrier or rope, often used in crowd control or to guide people in a specific direction.
Example: "The event organizers set up stanchions to manage the flow of attendees entering the venue."
Alternatives: "Barriers" or "Posts".
When elevated motorways were being built, their architects promised that people could be housed in flats carved out of the support stanchions.
Timberland: empty stanchions outside the store.
Although anchored by 12 iron stanchions laboriously grouted into exceptionally hard red rock, it lasted only from 1699 to 1703, when it was swept away without a trace in a storm of exceptional severity; its designer and builder, in the lighthouse at the time, perished with it.
The debris included steel stanchions from the crane left hanging crumpled above the accident scene.
If the libeccio (south-west wind) is blowing across the gulf, the swell may push the water over the stone stanchions lining the wharf.
Carpenters placed stanchions around the site so that the gathering members would not disturb anything.
In the advanced-dementia unit at Beatitudes, the elevator is blocked by a velvet rope attached to silver stanchions.
But Milosevic, ever the master tactician, had honed in on one of the Tribunal's shakiest stanchions: the question of its own still-consolidating legitimacy.
At either side of the wave, great blocks of stone, placed just above water level to protect the bridge's stanchions, allowed for the formation of narrow lateral eddies of escape and refuge.
In between honks, one could hear the customary sounds of summer on the Battery: helicopters, sirens, the boats' bumpers squeaking against the stanchions, flapping flip-flops, a Citibike bell, a Chinese tour guide on a megaphone, the thwok of a spaldeen.
The disaster site was a vast crater illuminated by lights on high stanchions; nearby lay charred automobiles and upended Humvees.
