A lack of capacity and knowledge within local teams on regional issues and data coupled with the comfort of traditional working practices have all hampered fast paced progression of regional working.
Mae diffyg gallu a gwybodaeth o fewn timau lleol ar faterion rhanbarthol a data ynghyd â chysur arferion gweithio traddodiadol oll wedi rhwystro cynnydd cyflym o ran gweithio rhanbarthol.