slab track

noun

1. a railroad track in which the rails are attached to and supported by a bed or slab, usually of concrete.

Example Sentences

Faster trains also required more sophisticated junctions, and stronger slab track.

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The track will also sit on concrete "slab track" which is durable but more expensive to buy than your more conventional ballast.

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This reflects a practice honed along the entirety of the country’s 15-year-old high-speed rail network, casting slab track at temporary outposts close to the construction site.

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The Swiss rail service said it took 43,800 hours of non-stop work by 125 labourers rotating in three shifts to lay the tunnel’s slab track.

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It took 125 workers in three shifts round-the-clock to install the concrete slab track on which the trains will run, with some sections as deep as 1.4 miles.

Read more on New York Times