Most of the schemes are open to traffic and complete and the associated costs for these relate to dealing with outstanding land issues and contractual agreements.
Mae’r rhan fwyaf o’r cynlluniau ar agor i draffig ac wedi eu cwblhau, a’r costau sy’n gysylltiedig â’r rhain yw rhai’n ymdrin â gweddill y materion tir a chytundebau.