Road lengths and conditions.
Wales.Knowledge and Analytical Services,issuing body.
UK Statistics Authority.
Title from PDF caption (Welsh Government Web site, viewed October 22, 2013).
Accompanied on Web site by Excel spreadsheets.
Also carries numbering of main series with SB prefix.
At head of title: Ystadegau ar gyfer Cymru = Statistics for Wales, and: National Statistics = Ystadegau Gwladol.
Previously published as chapter 1 of "Welsh transport statistics".
Highway engineering
Roads
Welsh transport statistics
Road lengths and conditions in Wales
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