Cynnal a Chadw Ffyrdd
Gwaith Ffordd yn Nhrefn Dyddiad Cychwyn





06/05/2025 - 30/05/2025
NARBERTH
Grid Cenedlaethol
NARBERTH
Grid Cenedlaethol

Goleuadau Traffig
TANNERS LANE
Gwaith mawr Grid Cenedlaethol
TANNERS LANE
Gwaith mawr Grid Cenedlaethol

06/05/2025 - 30/05/2025
TEMPLETON
Grid Cenedlaethol
TEMPLETON
Grid Cenedlaethol

Goleuadau Traffig
A478 BOARS HEAD BRIDGE TO JCT C3065
Gwaith mawr Grid Cenedlaethol
A478 BOARS HEAD BRIDGE TO JCT C3065
Gwaith mawr Grid Cenedlaethol

06/05/2025 - 30/05/2025
TEMPLETON
Grid Cenedlaethol
TEMPLETON
Grid Cenedlaethol

Goleuadau Traffig
A478 BOARS HEAD BRIDGE TO JCT C3065
Gwaith mawr Grid Cenedlaethol
A478 BOARS HEAD BRIDGE TO JCT C3065
Gwaith mawr Grid Cenedlaethol

06/05/2025 - 30/05/2025
NARBERTH
Grid Cenedlaethol
NARBERTH
Grid Cenedlaethol

Goleuadau Traffig
A478 CASTLE STREET TO TEMPLETON VILLAGE
Gwaith mawr Grid Cenedlaethol
A478 CASTLE STREET TO TEMPLETON VILLAGE
Gwaith mawr Grid Cenedlaethol

06/05/2025 - 30/05/2025
TEMPLETON
Grid Cenedlaethol
TEMPLETON
Grid Cenedlaethol

Goleuadau Traffig
C3026 JCT C3081 BEGELLY TO JCT A478 BOARS HEAD BRIDGE
Gwaith mawr Grid Cenedlaethol
C3026 JCT C3081 BEGELLY TO JCT A478 BOARS HEAD BRIDGE
Gwaith mawr Grid Cenedlaethol

06/05/2025 - 30/05/2025
TEMPLETON
Grid Cenedlaethol
TEMPLETON
Grid Cenedlaethol

Goleuadau Traffig
C3026 JCT C3081 BEGELLY TO JCT A478 BOARS HEAD BRIDGE
Gwaith mawr Grid Cenedlaethol
C3026 JCT C3081 BEGELLY TO JCT A478 BOARS HEAD BRIDGE
Gwaith mawr Grid Cenedlaethol

19/05/2025 - 20/05/2025
MILFORD HAVEN
Cyngor Sir Penfro
MILFORD HAVEN
Cyngor Sir Penfro

Ffordd ar Gau
ST LAWRENCE AVENUE
Ail-arwynebu
ST LAWRENCE AVENUE
Ail-arwynebu

19/05/2025 - 23/05/2025
TENBY
British Telecom
TENBY
British Telecom

Ffordd ar Gau
U6339
Ail-osod offer BT
U6339
Ail-osod offer BT

20/05/2025 - 20/05/2025
ST DAVIDS
British Telecom
ST DAVIDS
British Telecom

Ffordd ar Gau
BRYN ROAD
Ail-osod offer BT
BRYN ROAD
Ail-osod offer BT

20/05/2025 - 21/05/2025
MILFORD HAVEN
Cyngor Sir Penfro
MILFORD HAVEN
Cyngor Sir Penfro

Ffordd ar Gau
WOODBINE WAY
Ail-arwynebu
WOODBINE WAY
Ail-arwynebu

21/05/2025 - 21/05/2025
NARBERTH
British Telecom
NARBERTH
British Telecom

Ffordd ar Gau
C3022 JCT B4314 TO LAMPETER VELFREY VILLAGE
Mân waith gan BT
C3022 JCT B4314 TO LAMPETER VELFREY VILLAGE
Mân waith gan BT

21/05/2025 - 21/05/2025
HAVERFORDWEST
British Telecom
HAVERFORDWEST
British Telecom

Ffordd ar Gau
FEIDR CHWECH-ERW
Mân waith gan BT
FEIDR CHWECH-ERW
Mân waith gan BT

21/05/2025 - 21/05/2025
KILGETTY
British Telecom
KILGETTY
British Telecom

Goleuadau Traffig
A4075 JCT C3091 CRESSELLY VILLAGE TO JCT SP49/5/1
Ail-osod offer BT
A4075 JCT C3091 CRESSELLY VILLAGE TO JCT SP49/5/1
Ail-osod offer BT

21/05/2025 - 21/05/2025
KILGETTY
British Telecom
KILGETTY
British Telecom

Goleuadau Traffig
A4075 JCT C3091 CRESSELLY VILLAGE TO JCT SP49/5/1
Ail-osod offer BT
A4075 JCT C3091 CRESSELLY VILLAGE TO JCT SP49/5/1
Ail-osod offer BT

21/05/2025 - 22/05/2025
MILFORD HAVEN
Cyngor Sir Penfro
MILFORD HAVEN
Cyngor Sir Penfro

Ffordd ar Gau
ST LAWRENCE CLOSE
Ail-arwynebu
ST LAWRENCE CLOSE
Ail-arwynebu

22/05/2025 - 22/05/2025
PEMBROKE DOCK
British Telecom
PEMBROKE DOCK
British Telecom

Ffordd ar Gau
PROSPECT PLACE
Ail-osod offer BT
PROSPECT PLACE
Ail-osod offer BT

23/05/2025 - 23/05/2025
BEGELLY
British Telecom
BEGELLY
British Telecom

Ffordd ar Gau
C3081 JCT A477T TO JCT B4586 VIA LONGDON
Mân waith gan BT
C3081 JCT A477T TO JCT B4586 VIA LONGDON
Mân waith gan BT

23/05/2025 - 23/05/2025
HAVERFORDWEST
British Telecom
HAVERFORDWEST
British Telecom

Ffordd ar Gau
U6022 WEST LAMBSTON TO ROGESTON
Ail-osod offer BT
U6022 WEST LAMBSTON TO ROGESTON
Ail-osod offer BT

25/05/2025 - 25/05/2025
BROAD HAVEN
British Telecom
BROAD HAVEN
British Telecom

Ffordd ar Gau
B4341 MOUNTAIN FARM BROADWAY TO BROAD HAVEN
Ail-osod offer BT
B4341 MOUNTAIN FARM BROADWAY TO BROAD HAVEN
Ail-osod offer BT

25/05/2025 - 25/05/2025
HAVERFORDWEST
Dwr Cymru
HAVERFORDWEST
Dwr Cymru

Ffordd ar Gau
HORNS LANE
Mân waith gan Ddwr Cymru
HORNS LANE
Mân waith gan Ddwr Cymru

27/05/2025 - 27/05/2025
ST DAVIDS
British Telecom
ST DAVIDS
British Telecom

Ffordd ar Gau
U3029 VIA LLEITHYR
Ail-osod offer BT
U3029 VIA LLEITHYR
Ail-osod offer BT

28/05/2025 - 28/05/2025
FISHGUARD
Arall
FISHGUARD
Arall

Ffordd ar Gau
MAESGWYN ROAD
Gwelliannau Priffordd
MAESGWYN ROAD
Gwelliannau Priffordd

28/05/2025 - 28/05/2025
HAVERFORDWEST
British Telecom
HAVERFORDWEST
British Telecom

Ffordd ar Gau
U3065 LITTLE RHYDASTON ROAD
Ail-osod offer BT
U3065 LITTLE RHYDASTON ROAD
Ail-osod offer BT

28/05/2025 - 30/05/2025
MILFORD HAVEN
Cyngor Sir Penfro
MILFORD HAVEN
Cyngor Sir Penfro

Ffordd ar Gau
ROMILLY CRESCENT
Ail-arwynebu
ROMILLY CRESCENT
Ail-arwynebu

28/05/2025 - 06/06/2025
HAVERFORDWEST
Grid Cenedlaethol
HAVERFORDWEST
Grid Cenedlaethol

Ffordd ar Gau
LONG LANE
Gwaith mawr Grid Cenedlaethol
LONG LANE
Gwaith mawr Grid Cenedlaethol

29/05/2025 - 30/05/2025
MILFORD HAVEN
Cyngor Sir Penfro
MILFORD HAVEN
Cyngor Sir Penfro

Ffordd ar Gau
JOHN LEWIS STREET
Ail-arwynebu
JOHN LEWIS STREET
Ail-arwynebu

02/06/2025 - 03/06/2025
MILFORD HAVEN
Cyngor Sir Penfro
MILFORD HAVEN
Cyngor Sir Penfro

Ffordd ar Gau
JAMES STREET
Ail-arwynebu
JAMES STREET
Ail-arwynebu

02/06/2025 - 06/06/2025
TENBY
Cyngor Sir Penfro
TENBY
Cyngor Sir Penfro

Ffordd ar Gau
STEPHENS GREEN LANE
Ail-arwynebu
STEPHENS GREEN LANE
Ail-arwynebu

02/06/2025 - 04/07/2025
PEMBROKE
Wales and West Utilities (Gas)
PEMBROKE
Wales and West Utilities (Gas)

Ffordd ar Gau
GOOSES LANE
Adnewyddu prif bibell nwy
GOOSES LANE
Adnewyddu prif bibell nwy

03/06/2025 - 21/06/2025
HAVERFORDWEST
Cyngor Sir Penfro
HAVERFORDWEST
Cyngor Sir Penfro

Ffordd ar Gau
U3095 SHELTERY HILL TO WOLFSDALE
Ail-arwynebu
U3095 SHELTERY HILL TO WOLFSDALE
Ail-arwynebu

04/06/2025 - 04/06/2025
NARBERTH
Dwr Cymru
NARBERTH
Dwr Cymru

Goleuadau Traffig
A478 CASTLE STREET TO TEMPLETON VILLAGE
Adnewyddu clawr twll ymchwilio
A478 CASTLE STREET TO TEMPLETON VILLAGE
Adnewyddu clawr twll ymchwilio

04/06/2025 - 04/06/2025
HAVERFORDWEST
Dwr Cymru
HAVERFORDWEST
Dwr Cymru

Goleuadau Traffig
C3024 JCT U6116 WALWYNS CASTLE TO JCT C3006 TIERS CROSS VILLAGE
Adnewyddu clawr twll ymchwilio
C3024 JCT U6116 WALWYNS CASTLE TO JCT C3006 TIERS CROSS VILLAGE
Adnewyddu clawr twll ymchwilio

04/06/2025 - 04/06/2025
HAVERFORDWEST
Dwr Cymru
HAVERFORDWEST
Dwr Cymru

Goleuadau Traffig
C3024 JCT U6116 WALWYNS CASTLE TO JCT C3006 TIERS CROSS VILLAGE
Adnewyddu clawr twll ymchwilio
C3024 JCT U6116 WALWYNS CASTLE TO JCT C3006 TIERS CROSS VILLAGE
Adnewyddu clawr twll ymchwilio

07/06/2025 - 07/06/2025
MILFORD HAVEN
Arall
MILFORD HAVEN
Arall

Ffordd ar Gau
CHARLES STREET
Digwyddiad Arbennig
CHARLES STREET
Digwyddiad Arbennig

16/06/2025 - 20/06/2025
HAVERFORDWEST
Cyngor Sir Penfro
HAVERFORDWEST
Cyngor Sir Penfro

Ffordd ar Gau
C3087 JCT A40T TO JCT U3095 SHELTERY HILL
Ail-arwynebu
C3087 JCT A40T TO JCT U3095 SHELTERY HILL
Ail-arwynebu

30/06/2025 - 18/07/2025
PEMBROKE
Wales and West Utilities (Gas)
PEMBROKE
Wales and West Utilities (Gas)

Goleuadau Traffig
HOLYLAND ROAD
Adnewyddu prif bibell nwy
HOLYLAND ROAD
Adnewyddu prif bibell nwy

21/11/2025 - 21/11/2025
CLUNDERWEN
British Telecom
CLUNDERWEN
British Telecom

Goleuadau Traffig
A478 LLANDISSILIO
Ail-osod offer BT
A478 LLANDISSILIO
Ail-osod offer BT
ID: 751, adolygwyd 15/07/2023