The Consultant’s report concluded that 20mph speed limits offered a low-cost option for promoting road safety (Burns, A., Johnstone, N., Macdonald, 2001 20 mph speed reduction initiative.
Casglodd adroddiad yr Ymgynghorydd bod terfynau cyflymder o 20mya yn opsiwn rhad i hybu diogelwch ar y ffyrdd (Burns, A., Johnstone, N., Macdonald, 2001 20 mph speed reduction initiative.