| 11. | With the introduction of macadam roads in the early 19th-century, curbs became ubiquitous in the streets of London.
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| 12. | The highway was completed as a macadam road from US 1 in Benson west to Rocky Branch in 1927.
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| 13. | When the National Turnpike was completed in 1823, it became the first macadam road constructed in the United States.
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| 14. | This segment was part of a macadam road from Laytonsville south toward Gaithersburg that later became part of MD 124.
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| 15. | Until Yachats could be reached by a macadam road, rains made it impossible for the mail to be carried by car.
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| 16. | At 14, I had learned to drive on it by motoring along the broken macadam road in front of my grandparentsU house.
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| 17. | A macadam road to the curve was opened in 1932 allowing access for visitors, and a gift shop was built in 1940.
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| 18. | The old turnpike was resurfaced as a macadam road from Lewistown to Thurmont in 1914 and from Harmony Grove to Lewistown in 1915.
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| 19. | Macadam roads were being built widely in the United States and Australia in the 1820s and in Europe in the 1830s and 1840s.
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| 20. | Nineteenth-century descriptions of the neighbourhood refer to its location along the Macadam Road to Nepean, now a part of the city of Ottawa.
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