In the first nine months of this year, 25 motorcyclists have lost their lives on Welsh roads: 12 on the trunk road network, and 13 on other roads.
Yn ystod naw mis cyntaf y flwyddyn hon, collodd 25 o yrwyr beiciau modur eu bywydau ar ffyrdd Cymru: 12 ar y rhwydwaith cefnffyrdd, a 13 ar ffyrdd eraill.