The Alternative Route for North bound diverted traffic is to travel in a South Easterly direction along the C2009 to its junction with the B4309.
Y Ffordd Arall ar gyfer traffig dargyfeiriedig sy'n teithio tua'r gogledd fydd teithio i gyfeiriad y de-ddwyrain ar hyd yr C2009 hyd at y gyffordd â'r B4309.