corridor

plural corridors

1. A narrow hall or passage with rooms leading off it, as in a building or in a railway carriage.

   Eldridge closed the despatch-case with a snap and, rising briskly, walked down the corridor to his solitary table in the dining-car.

   1931, Francis Beeding, Death Walks in Eastrepps, chapter 1/1

   2 more examples

   There is an hour or two, after the passengers have embarked, which is disquieting and fussy.[…]Stewards, carrying cabin trunks, swarm in the corridors. Passengers wander restlessly about or hurry, with futile energy, from place to place.

   1915, G[eorge] A. Birmingham [pseudonym; James Owen Hannay], chapter I, in Gossamer, New York, N.Y.: George H. Doran Company, →OCLC

   My mind drifts now and then / Lookin' down dark corridors and wonders what might have been / Something's up ahead / Hey, should I keep this same direction or go back instead?

   1977, Isley Brothers, “Footsteps in the Dark”, in Go for Your Guns

2. A restricted tract of land that allows passage between two places.

   1 more example

   In addition, there are two up and two down korridorzug ^([sic]) [Korridorzüge] of the O.B.B. which run through from Innsbruck to Reutte via the Mittenwald line, but which are "sealed" between Scharnitz through Garmisch-Partenkirchen as far as Ehrwald, carrying passengers only from Austria to Austria; the korridor thus refers to the corridor through Germany and not through the train.

   1951 November, Brian Reed, “An Austro-German "Corridor" Line”, in Railway Magazine, page 778

3. historicalraregovernmentThe covered way lying round the whole compass of the fortifications of a place.
4. Airspace restricted for the passage of aircraft.
5. The land near an important road, river, railway line.

   Main Street corridor

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   Pike-Pine Corridor, Seattle