| Heol/Lleoliad | Dyddiadau | Dyddiadau/Amserau | Cyfiawnhad am y Cyfyngiad | Adnoddau |
|---|---|---|---|---|
| B4343 (Ffordd Dewi) – Tregaron cyf: 579/23 | 28/02/2024 – 29/02/2024 | 18:00 – 06:00 | Atgyweirio gwasanaeth dwr Core Highways are ran Morrison Utility Services/Dwr Cymru | map |
| Heol y Orsaf, Tregaron cyf: 559/23 | 12/03/2024 | 09:30-16:30 | Gwaith gwasanaeth BT Sunbelt Rentals ar rhan BT Openreach | map |
| U1518 Llanddewi Brefi cyf: 588/23 | 21/03/2024 | 09:00-17:00 | Gwaith polion Go Ahead Traffic Management ar rhan BT Openreach | map |
| B4343 (Ffordd Dewi), Tregaron cyf: 608/23 | 23/03/2024 | 09:00-16:00 | Gwaith polion Go Ahead Traffic Management ar rhan BT Openreach | map |
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