singletrackとは 意味・読み方・使い方

形容詞

single-track (not comparable)

1. (rail transport) Having only a single track so that trains may only run in one direction at a time
   • 1942 February 1, “Pennsylvania Installs Centralized Traffic Control On 60.7 Miles of Single Track”, in Railway Signalling, Chicago, page 78:

     […] a single-track main line between Richmond, Ind., and Norwood Heights, Ohio

   • 2013 March 1, “Fears for future of vital link between two train stations”, in The Kent and Sussex Courier, Tunbridge Wells, Kent, page 14:

     It was once the busiest singletrack section of railway line in the country but, almost three decades after its closure, the short route which once linked Tunbridge Wells’s two stations is a ghostly presence

   • 2016 February 18, Peter Le Feuvre, “Letter to the editor”, in The Daily Telegraph, page 17:

     On the now defunct Guildford-to-Horsham line, there was a foolproof way of avoiding collisions on singletrack lines

2. (education) Having a single curriculum or other educational approach for all students.

   Antonyms: dual-track, streaming (noun)

   • 2003 April 19, Paul Strickland, “Single-track Montessori on hold until 2004”, in Prince George Citizen, Prince George, British Columbia, page 3:

     Highglen elementary school will maintain a dual-track system of a Montessori program and a regular neighbourhood school program side-by-side for one more year, Prince George trustees decided this week. In January, the board had voted in favour of making the Montessori program into a single-track program where it would occupy an entire school like Highglen.

   • 2006 April 15, “Our voice”, in The Desert Sun, Palm Springs, California, page B10:

     This week the district placed Cathedral City Elementary and Landau Elementary back to a “single-track” schedule in which all students attend school on the same days throughout the year. A few years ago, overcrowding forced the district to split students into tracks so that some kids attended classes while others were on vacation.

関連する語

• single-tracking

参考

• double-track