Improvements to an infamous Scottish road, long called for campaigners, will start earlier than planned.
The notorious A9 running from Perth to Inverness is to be upgraded to a dual carriageway, said the Scottish government, which is spending £3 billion on the project.
Ministers said the work will represent a major improvement in Scottish road safety and will "revolutionise" the standard of the country's road network.
Two recent road traffic accidents there were serious enough to leave four people dead.
One collision, in early June, occurred at Ralia, in the Highlands, and another which claimed the lives of two lorry drivers, happened near Blair Atholl, Perthshire.
Murdo Fraser, a Tory MSP for Mid-Scotland and Fife, said: "No one expects the A9 to be dualled overnight but the sooner we start dualling the road, the sooner we will see a road fit for the 21st century.
"We now need to have the ambition to bring forward the completion date, as 2025 is too long to wait."
Work on the A9 will start at Kincraig, south of Aviemore, two years ahead of schedule and is one of seven section of carriageway stretching over 80 miles that will be transformed.
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