Noder y ffordd canlynol a fydd ar gau dros dro:
| Cyf: | 16/21 |
| Rhif y Ffordd:
USRN |
B4343 |
| Lleoliad: | B4343 Llanddewi Brefi SY25 6UG |
| Dyddiad ac amser: | 07/04/2021-08/04/2021
07:00 – 17:00 |
| Parhad: | |
| Gwaith: | BT Service Repairs |
| Ymgeisydd: | RNR Traffic Management/MJ Quinn/BT |
| Rheswm: |
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