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it is vital that we are proactive in reducing road traffic casualties in wales , and the trauma of road traffic accidents
mae'n hanfodol ein bod yn rhagweithiol wrth leihau damweiniau traffig ar y ffyrdd yng nghymru , a'r trawma a achosir gan y damweiniau hyn
in newport east , there have been too many road traffic accidents in deprived urban areas , for example , on roads around council estates
yn nwyrain casnewydd , bu gormod o ddamweiniau traffig ffyrdd mewn ardaloedd trefol difreintiedig , er enghraifft , ar ffyrdd drwy ystadau cyngor
cardiff county council and the city and county of swansea council have declared air management areas for nitrogen dioxide , which is a pollutant from road traffic sources
mae cyngor sir caerdydd a chyngor dinas a sir abertawe wedi datgan ardaloedd rheoli aer ar gyfer nitrogen diocsid , sy'n llygrydd o ffynonellau traffig ffordd