Llys Derwen

• United Kingdom
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• Cymru / Wales
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• Rhondda Cynon Taf
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• Ynysybwl and Coed-y-cwm
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• Llys Derwen

Llys Derwen is an asphalted street with a maximum speed of 30 mph with two lanes in Rhondda Cynon Taf, Ynysybwl and Coed-y-cwm.