The phrase "at a concourse" is correct and usable in written English.
It can be used to refer to a large open space or area, typically in a public building like an airport or train station, where people gather or pass through.
Example: "We will meet at a concourse before boarding the flight."
Alternatives: "in a terminal" or "at a gathering area".
A false alarm attributed to a malfunction by a luggage-screening device led today to the evacuation of 1,500 people from a concourse at Baltimore-Washington International Airport and from five Southwest Airlines jets waiting at the gates.
A concourse at Newark Airport was evacuated yesterday afternoon after a vendor's cart went through security without being searched, the authorities said.
When a small group of West Ham Muslim fans were subjected to apparent racist and Islamophobic abuse by their fellow fans while offering their Maghrib prayer on a concourse at the Boleyn Ground, it sent shockwaves around the world, in scenes which many had hoped had been consigned to the distant past.
Suddenly you realise why the music in the movie swells excitedly whenever the camera gazes at a busy concourse packed with Jurassic World tourists thronging the gift shops.
United Airlines has removed the luggage sizers it had at Dulles Airport outside Washington on a concourse it shares with Continental Airlines, but is appealing an April court decision requiring removal of the templates, roughly 14 inches wide, about 10 inches high at the center and 9 inches high at the sides.
He walked down an airport corridor, past a shoeshine booth and a Dunkin' Donuts, to the security checkpoint at Concourse A, where these extraordinary times continued to make their rude intrusion upon the day's ordinary rhythms: shoes off; empty pockets; raise hands.
This summer, she paid $280,000 for a three-bedroom apartment with a balcony at 1020 Grand Concourse, a doorman building called Executive Towers.
Not long after his shift began one evening, he was summoned to the immigration hall at the end of a long concourse at Terminal B. A check of passports touched off a report that there was an outstanding arrest warrant for one passenger's.
The tunnel in question will run out to a new kind of building at Kennedy: a midfield concourse that will substantially add to the capacity of Terminal 8, a 57-gate giant for American Airlines that will dwarf its predecessors.
Alfredo Perez, 22, of Adams Street in Parkchester, was arrested on Sunday and charged with attempted murder in the shooting of a 19-year-old man at 2700 Grand Concourse a little before 1 a.m. that day.
