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A487 Trunk - Temporary Prohibition Of Vehicles For Works
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HYSBYSIAD STATUDOL
I gael copi print bras o’r Hysbysiad hwn, ffoniwch 0300 0604400 neu ebostiwch Trafnidiaeth.YGangenOrchmynion@llyw.cymru
GORCHYMYN CEFNFFORDD YR A487 (FFORDD OSGOI CAERNARFON, GWYNEDD) (GWAHARDD CERBYDAU DROS DRO) 202-
MAE GWEINIDOGION CYMRU yn bwriadu gwneud Gorchymyn o dan adran 14 o Ddeddf Rheoleiddio Traffig Ffyrdd 1984 ymhen dim llai na 7 niwrnod i ddyddiad yr Hysbysiad hwn. Mae angen y Gorchymyn arfaethedig er mwyn gwneud gwaith ar gefnffordd yr A487, neu gerllaw iddi, ger y Caernarfon, Gwynedd.
Effaith y Gorchymyn arfaethedig fydd gwahardd dros dro bob cerbyd rhag mynd ar y darn o gefnffordd yr A487 Abergwaun i Fangor o’r enw Ffordd Osgoi Caernarfon sy’n ymestyn o’i chyffordd â Chylchfan Plas Menai hyd at ei chyffordd â Chylchfan y Goat, Gwynedd.
Y llwybr arall ar gyfer traffig sy’n teithio tua’r de o Gylchfan Plas Menai yw mynd ar yr A4871 drwy Gaernarfon i ailymuno â’r A487 wrth Gylchfan y Goat. I’r gwrthwyneb ar gyfer traffig sy’n teithio tua’r gogledd o Gylchfan y Goat.
Daw’r Gorchymyn i rym am 22:00 o’r gloch ar 6 Gorffennaf 2026. Disgwylir i’r gwaharddiad dros dro fod ar waith dros nos o 22:00 o’r gloch tan 05:00 o’r gloch, ar nosweithiau olynol dros wahanol hydau hyd at 9 Gorffennaf 2026, neu nes bod yr arwyddion traffig dros dro yn cael eu symud yn barhaol.
Dim ond yn ystod y cyfnod a bennir uchod y disgwylir i’r Gorchymyn fod yn weithredol. Er hynny, bydd yn parhau’n ddilys am gyfnod o 18 mis ar y mwyaf rhag ofn y bydd angen ailamserlennu’r gwaith neu wneud gwaith canlyniadol neu waith arall. Bydd hysbysiad am unrhyw newidiadau i’r amseroedd a’r dyddiadau yn cael ei arddangos cyn gwneud unrhyw waith a ailamserlennir.
C WYNN, Trafnidiaeth, Llywodraeth Cymru
STATUTORY NOTICE
For a large print copy of this Notice contact 0300 0604400 or email Transportordersbranch@gov.wales
THE A487 TRUNK (CAERNARFON BYPASS, GWYNEDD)
(TEMPORARY PROHIBITION OF VEHICLES) ORDER 202-
THE WELSH MINISTERS propose, in not less than 7 days from the date of this Notice, to make an Order under section 14 of the Road Traffic Regulation Act 1984, which is necessary to undertake works on or near the A487 trunk road, near Caernarfon, Gwynedd.
The effect of the proposed Order will be to temporarily prohibit all vehicles from proceeding on the length of the A487 Fishguard to Bangor trunk road known as the Caernarfon Bypass that extends from its junction with the Plas Menai Roundabout to its junction with Goat Roundabout, Gwynedd.
The alternative route for southbound traffic from Plas Menai Roundabout is via the A4871 through Caernarfon to rejoin the A487 at Goat Roundabout. Vice versa for northbound traffic from Goat Roundabout.
The Order will come into force at 22:00 hours on 6 July 2026.
The temporary prohibition is expected to operate overnight from 22:00 hours until 05:00 hours, on consecutive nights over different lengths to the 9 July 2026, or until the temporary traffic signs are permanently removed.
Although the Order is only expected to be in force during the period specified above, it will remain valid for a maximum period of 18 months, as a contingency, should the work need to be rescheduled or consequential or other work is required. Notice of any changes to times and dates will be displayed before any rescheduled work begins.
C WYNN, Transport, Welsh Government
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