The Environmental Noise Directive requires that we draw up new noise action plans for major roads, major railways and large urban areas and report them to the European Commission by 18 January 2014.
Dylai hyrwyddwyr gwaith sy'n gweithio ar y briffordd gyhoeddus roi mesurau ar waith i atal dŵr rhag llifo ar ffyrdd, troedffyrdd a llwybrau beicio cyfagos.