Road lengths and conditions in Wales : during ...
Wales.Knowledge and Analytical Services,issuing body.
UK Statistics Authority.
Title from PDF caption (Welsh Government Web site, viewed May 5, 2016).
At head of title: Ystadegau ar gyfer Cymru = Statistics for Wales, and: National Statistics = Ystadegau Gwladol.
Latest issue consulted: 2015/2016 (viewed September 7, 2017).
Highway engineering
Roads
Road lengths and conditions
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