Camau nesaf y cynllun fydd datblygu’r dyluniad rhagarweiniol, sy’n ystyried materion amgylcheddol a pheirianyddol yn fanylach, gan ystyried y sylwadau a wnaed yn ystod yr ymgynghoriad cyhoeddus. Mae hyn yn cynnwys adolygiad manylach o’r opsiynau a ffefrir mewn ymgynghoriad â rhanddeiliaid sy’n cynnwys pobl leol.
The next steps of the scheme will be to develop the preliminary design, which considers environmental and engineering matters in further detail, taking account of the comments made during public consultation. This comprises of a more detailed review of the preferred options in consultation with stakeholders which includes local people.