Thanks for adding the extra crossings.  I've added them to the Wales Coast Path as well so that doesn't have gaps there: 
https://www.openstreetmap.org/relation/3285170#map=18/51.39883/-3.27742
Do you know how people are supposed to get across the road here:
https://www.openstreetmap.org/relation/3285170#map=18/51.40884/-3.25143
Cheers,
Andy
