Double-track rail would have a low value, and single-track sections a high value.
In the Scottish Borders, gritters had been out in force but the council said some priority routes remained single-track due to drifting snow.
Heading back to Arequipa, it is worth visiting some of the isolated settlements on the north side of the Colca River, reachable by a rough single-track road.
Be aware that many single-track roads in this part of Scotland are not wide enough for cars to pass moving cyclists, so you will need to pull to the side.
Moments from the single-track road that winds up the valley, Buchi unearthed a fresh cluster of blossoming wild garlic growing on the moist, fertile banks of the river Cwm Einion.
As we cross the snaking, single-track bridge there is a glimpse of Loch Shiel, and of the monument that marks the spot where Bonnie Prince Charlie first assembled his Jacobite army that nearly did so well for the Scots.
There is only a single track through the black-cotton soil cutting across an area the size of the Netherlands.
She believes working internationally is probably the single greatest opportunity for women to fast-track their careers.
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British rock band Muse - who have had the biggest-ever download track with their single Stockholm Syndrome, are also included in the deal.
BBC: NEWS | Entertainment | Festival firm plans download site
She died when her Fiat Punto car was struck and shunted down the track by a 105-tonne single locomotive, which was being used to familiarise train drivers on the Cambrian Coast Line.
Four Veritas engineers once spent six months working part-time to track a bug affecting a single customer.
The win means that the 26-year-old has now tasted victory on every single Grand Prix track.
Railtrack's biggest single re-railing operation is on more than seven miles of track south of Durham.
In a later post, I'll assess the short-term options for rescuing Italy and keeping the single currency on track.
Whereas science fiction is a narrative, with a single track from start to finish, architectural plans and models are open-ended.
With a track record of ten years, it is also one of the oldest single-country funds.
Younger outfits, such as Oblix, Netegrity and Access 360, sell "permission-based" software that lets local managers feed information into a central database rather than have a single administrator track everyone.
This year is on track to become the worst of all time for private data breaches, including the largest single consumer-information theft in history, perpetrated against retailer TJX, owner of TJ Maxx and Marshall's.
This year is on track to become the worst of all time for private data breaches, including the largest single consumer-information theft in history, perpetrated against retailer TJX (nyse: TJX - news - people ), owner of TJ Maxx and Marshall's.
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