clearwayとは

意味・読み方・使い方

名詞

clearway (複数形 clearways)

1. (chiefly Britain) A road or other path that is kept free of obstructions, or on which stopping is strictly regulated, in order to maintain free flow of movement.
   • 1975, Institute of Marine Engineers, Marine Engineers Review‎^[1], page 190:

     The traffic lanes of the sea can be clearways for thousands of miles.

   • 2007, UK Department for Transport, Know Your Traffic Signs‎^[2], page 55:

     The red cross means no stopping, not even to pick up or set down passengers. The sign is used to indicate a 24-hour clearway (usually on a rural road) or may be incorporated into other signs with the words “No stopping” (e.g. the “no stopping except local buses” sign at bus stops. On a 24-hour clearway, the prohibition of stopping applies only to the main carriageway. You may stop in a lay-by unless there are signs to say otherwise. A 24-hour clearway does not have any special road markings, but there should be smaller repeater signs at approximately one mile intervals.

2. (aviation) An area projecting from the end of a runway that is kept clear of obstructions exceeding a height that increases with distance from the end of the runway.
   • 2007, Antonín Kazda, Robert E. Caves, Airport Design and Operation, page 100,

     A clearway may be provided to extend the takeoff distance available (TODA) beyond the end of the hard surface which defines the declarable length of the available takeoff run (TORA).

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