The phrase "a main corridor" is correct and usable in written English.
It can be used to describe a primary passageway or route within a building or area, often indicating its importance or centrality.
Example: "The main corridor of the hospital connects all the key departments, making it easy for patients to navigate."
Alternatives: "a primary corridor" or "a central corridor".
The west portion is again divided by a main corridor, more than 200 feet (60 metres) long, running north and south.
In a main corridor, a small stage hosted seven to ten musicians at a time rotating in and out on tracks from "Everything Is Recorded".
"It is a main corridor though which people drive and enter the Harlem community," said Christopher Cirillo, director of large-scale development for H.P.D. "Even though there has been a lot of investment and rehabilitation on side streets, when you drive up the boulevard, you don't see that.
A main corridor runs down the entire ship where employees drag meals, linens, and drinks from the store rooms to the stately dining rooms, all the while, every passenger and sailor is constantly connected via RFID bracelets and interactive screens.
We confirmed the role of this Belt as a main corridor for human migrations across the continent.
Altogether, our results support the role of the Sahelian Belt as a main corridor for human migrations across the African continent.
So here, too, at the Botanic Garden is a long main corridor of plantings inspired by a 19th-century watercolor showing the palace's Patio de la Acequía.
When I visited the clinic, a dozen or so patients of all ages were making a din in a room off the main corridor.
In this work we propose a mechanism to optimize the capacity of the main corridor within a railway network with a radial-backbone or X-tree structure.
Down the main corridor, a lone metal gurney rests against a wall.
At the tunnel's turn south, reporters were allowed a look at its main corridor -- the nearly half-mile long passage into Mexico.
