| 1. | The airport, has recently been turned into a dual carriageway.
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| 2. | The road was widened to become a dual carriageway in 1937.
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| 3. | From Chiverton Cross, the dual carriageway bypasses Redruth and Camborne.
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| 4. | As the road progresses into Rainham it becomes single carriageway again.
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| 5. | The width of the carriageway was, with two footways of.
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| 6. | This completed a continuous dual carriageway road from Glasgow to Ayr.
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| 7. | A single carriageway upgrade of the existing Pleasley Hill route 2.
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| 8. | A new dual carriageway link road ( N11 has been completed.
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| 9. | Between Longford and Rooskey single carriageway continues at a higher standard.
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| 10. | Traffic lights and junctions are permitted at grade on dual carriageways.
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