A4059 Afon Bridge, Cwmbach - Temporary Road Closure And Weight Limit For Bridge Repair Works

CYNGOR BWRDEISTREF SIROL RHONDDA CYNON TAF

(YR A4059, PONT YR AFON, CWM-BACH)
GORCHYMYN (CAU FFORDD DROS DRO A THERFYN PWYSAU) 2026

DYMA HYSBYSIAD bod Cyngor Bwrdeistref Sirol Rhondda Cynon Taf wedi gwneud Gorchymyn o dan Adran 14 o Ddeddf Rheoleiddio Traffig Ffyrdd 1984, fel y'i diwygiwyd gan Ddeddf Traffig Ffyrdd (Cyfyngiadau Dros Dro) 1991, a fydd yn para deunaw mis ar y mwyaf.

Mae angen cau'r ffordd er mwyn cynnal gwaith atgyweirio ar Bont Afon Cynon, yr A4059.

Effaith y Gorchymyn fydd y canlynol yn ystod y dyddiadau penodedig neu hyd nes y bydd y gwaith wedi'i gwblhau:
1 . Cau Ffordd Dros Dro
Yr A4059 o'i chyffordd â chylchfan Asda (Gwaith Nwy) i'w chyffordd â Chylchfan Cwm-bach

Hyd
a. Ar gau dros nos:
• O 20:00 ar 30 Ebrill tan 05:00 ar 1 Mai 2026
• O 20:00 ar 8 Mehefin tan 05:00 ar 9 Mehefin 2026

b. Ar gau dros nos rhwng 20:00 a 05:00 y diwrnod nesaf:
O 19 Mehefin tan 1 Gorffennaf 2026
Nodyn: efallai bydd angen cau'r ffordd dros nos ar ddyddiadau eraill er mwyn cwblhau'r gwaith ar B ont Afon Cynon, yr A4059.

2. Cyfyngiad Pwysau (40 tunnell) Dros Dro
Yr A4059 o'i chyffordd â Chylchfan Asda (Gwaith Nwy)
i'w chyffordd â Chylchfan Cwm-bach.

Hyd – 30 Ebrill tan 9 Mehefin 2026

Llwybr Amgen: ar gael ar hyd Heol y Gamlas, Heol Cwm-bach, Stryd Wellington, Cylchfan Stryd Meirion a Ffordd Osgoi yr A4059, Aberdâr

Fydd DIM mynediad ar gael i gerbydau'r gwasanaethau brys, i gerddwyr nac i eiddo.

Dyddiad 27 Ebrill 2026

Andrew Wilkins
Cyfarwyddwr y Gwasanaethau Cyfreithiol a Llywodraethol
2 Llys Cadwyn, Stryd Taf, Pontypridd, CF37 4TH

RHONDDA CYNON TAFF COUNTY BOROUGH COUNCIL

(A4059 AFON BRIDGE, CWMBACH)
(TEMPORARY ROAD CLOSURE AND WEIGHT LIMIT) ORDER 2026

NOTICE IS HEREBY GIVEN that the Rhondda Cynon Taff County Borough Council have made an Order under Section 14 of the Road Traffic Regulation Act 1984, as amended by the Road Traffic (Temporary Restrictions) Act 1991, which will have a maximum duration of eighteen months.

The closure is necessary to facilitate bridge repair works to the A4059 Afon Cynon Bridge.

The effect of the Order will be as follows during the specified dates or until such time as the works have been completed: -

1. Temporary Road Closure
A4059 from its junction with the Asda (Gas Works) Roundabout to its junction with the Cwmbach Roundabout

Duration
a. Overnight closures:
• From 2000 hours on 30th April to 0500 hours on 1st May 2026

• From 2000 hours on 8th June 2026 to 0500 hours on 9th June 2026

b. Overnight closures from 2000 hours to 0500 hours the next day:
From 9th June to 1st July 2026

NB: additional overnight closures and nighttime closures may be required to complete works associated with the A4059 Afon Cynon Bridge

2. Temporary 40 Tonne Maximum Gross Weight Limit
A4059 from its junction with the Asda (Gas Works) Roundabout to its junction with the Cwmbach Roundabout

Duration – 30th April to 9th June 2026
Alternative Route: available via Canal Road, Cwmbach Road, Wellington Street, Meirion Street Roundabout and A4059 Aberdare Bypass

Access WILL NOT be maintained for pedestrians, emergency services or to premises.

Dated 27th April 2026
Andrew Wilkins
Director of Legal and Democratic Services
2 Llys Cadwyn, Taff Street, Pontypridd, CF37 4TH