Keywords: unpaved roads
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Journal Articles
Proceedings of the Institution of Civil Engineers - Municipal Engineer (2019) 172 (4): 239–245.
Published: 10 May 2019
... with changes in the unpaved road condition. A 1·8% rise in operating costs is found when a road condition deteriorates from very good to good; and a 7·7% increase when road condition deteriorates from good to fair or poor. 23 10 2018 08 01 2019 Published with permission by the ICE under the CC...

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