Dual carriageway

A dual carriageway (British English) or divided highway (American English) is a type of road. It is an important route that usually carries long-distance traffic.

A dual carriageway in Great Britain.

A dual carriageway has four lanes (2 lanes each side), and is always separated by a man-made barrier or strip of land.

Dual carriageways have no hard shoulder. A hard shoulder is an area at the side of a road where drivers can stop if there is a serious problem, a breakdown for example.[1][2]

References

"Cambridge Dictionaries Online: Cambridge Advanced Learner's Dictionary: hard shoulder". Cambridge University Press. Retrieved 2011-03-05.
"Hard Shoulder Safety" (PDF). Green Flag Motoring Assistance. p. 3. Archived from the original (PDF) on 2011-11-20. Retrieved 2011-03-05.

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[cambridgefact-1] "Cambridge Dictionaries Online: Cambridge Advanced Learner's Dictionary: hard shoulder". Cambridge University Press. Retrieved 2011-03-05.

[2] "Hard Shoulder Safety" (PDF). Green Flag Motoring Assistance. p. 3. Archived from the original (PDF) on 2011-11-20. Retrieved 2011-03-05.