| 21. | US 231 / CR 276 becomes a divided highway at Little Valley Road.
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| 22. | The divided highway was extended south to MD 28 in 1997.
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| 23. | Nearly the entire length of US 27 in Florida is a divided highway.
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| 24. | The road heads northeast and widens into a four-lane divided highway.
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| 25. | The highway was expanded to a divided highway in the mid-1970s.
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| 26. | The highway leaves Boone County and enters Randolph County remaining a divided highway.
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| 27. | The widening of PA 132 into a divided highway was completed in 1970.
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| 28. | MD 586 was expanded to a divided highway in the mid-1950s.
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| 29. | The route was widened into a divided highway between South Bethany in 1967.
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| 30. | Also, many divided highways have different lengths depending upon the direction.
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