| U1511 Tregaron cyf: 32/24 | 31/05/2024-09/06/2024 | 09:30-15:30 | Gwaith gwasanaeth BT RPO Williams Civil Engineers ltd ar rhan BT Openreach | Map |
| A485/U1504 Tregaron cyf: 06/24 | 14/05/2024 – 24/05/2024 | 21:00 – 06:00 | Gwaith ar ceblau opteg ffibr Sunbelt Rentals ar ran BT Openreach | map 1 map 2 |
| A485 Station Road & Tregaron Square cyf: 23/24 | 16/05/2024-19/05/2024 (see description) | 12:00-09:00 & 20:00-14:00 (see description) | 12:00 ar 18/05/2024 – 09:00 ar 19/05/2024 (A485 (Stryd yr Orsaf) 20:00 ar 16/05/2024 – 14:00 ar 19/05/2024 (Sgwar Tregaron (Tu allan Y Talbot) Gŵyl Gerddoriaeth Gymraeg | Map Hysbysiad Cyhoeddus |
| B4343 Tregaron cyf: 24/24 | 03/06/2024 | 09:30 – 15;30 | Gwaith ar bolion Sunbelt Rentals ar ran BT Openreach | map |
| U1516 Llanddewi Brefi, Tregaron (ger Erwlas) cyf: 77/24 | 26/06/2024 | 08:00 – 18:00 | Atgyweirio gwasanaeth dwrCore Highways ar ran Morrison Utility Services/Dwr Cymru | Map |
| C1026 Tregaron cyf: 78/24 | 24/06/2024 – 05/07/2024 | 08:00 – 17:00 | Gwaith torris coed a atgyweirio adeileddCore Highways ar ran Historic Railway Estates/National Highways | Map |
| C1240 Tregaron cyf: 02/24 | 24/06/2024-05/07/2024 | 20:00-06:00 | Gwaith ceblau Sunbelt Rentals ar rhan BT Openreach | Map Map 2 |
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