A9 road (Scotland)

Common card · No. 445556

The A9 is a major road in Scotland running from the Falkirk council area in central Scotland to Scrabster Harbour, Thurso in the far north, via Stirling, Bridge of Allan, Perth and Inverness. At 273 miles (439 km), it is the longest road in Scotland and the fifth-longest A-road in the United Kingdom. Historically it was the main road between Edinburgh and John o' Groats, and has been called the spine of Scotland. It is one of the three major north–south trunk routes linking the Central Belt to the Highlands – the others being the A82 and the A90. The road's origins lie in the military roads building programme of the 18th century, further supplemented by the building of several bridges in later years. The A9 route was formally designated in 1923, and originally ran from Edinburgh to Inverness. The route was soon extended north from Inverness up to John O'Groats. By the 1970s the route was hampered by severe traffic congestion, and an extensive upgrading programme was undertaken on the 138...

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