The Alternative Route for northbound traffic is to travel in a general north-easterly direction along the B43555 to its junction with the A486 at Pentrecwrt.
Y Ffordd Arall ar gyfer traffig sydd am deithio tua'r gogledd fydd teithio i gyfeiriad cyffredinol y gogledd-ddwyrain ar hyd y B4355 hyd at y gyffordd â'r A486 ym Mhentre-cwrt.