A55Chester to Holyhead · 87 mi

A55

Planned closures and overnight roadworks on the A55. For live incidents see A55 traffic.

Planned works

A55 closures

Updated 16:13 · refreshes every 5 min

Sat 12 Sept 21:00 → Sun 13 Sept 06:00

A55 Westbound Jct 40 to 38 carriageway closure

A55 westbound within the A51 junction

Sat 12 Sept 21:00 → Sun 13 Sept 06:00

A55 westbound jct 40 entry slip road closure

A55 westbound access from A51

Sat 12 Sept 21:00 → Sun 13 Sept 06:00

A55 Eastbound lane 2 closure

A55 eastbound between A483 and A41

Sat 12 Sept 21:00 → Sun 13 Sept 06:00

A55 westbound jct 39 entry slip road closure

A55 westbound access from A41

Sat 12 Sept 21:00 → Sun 13 Sept 06:00

A55 westbound jct 38 exit slip road closure

A55 westbound exit for A483

17/09/2026 20:00

J24 Faenol, Cyclic maintenance, Entry slip road closed, Exit slip road closed, Diversion, 17/09/26-18/09/26 2000-0600 :

J24 Faenol · Traffic Wales

16/09/2026 19:30

J33 Northop (Flint/Mold), Cyclic maintenance, Entry slip road closed, Exit slip road closed, Diversion, 16/09/26-18/09/26 1930-0600 :

J33 Northop (Flint/Mold) · Traffic Wales

16/09/2026 20:00

J24A St George, Cyclic maintenance, Exit slip road closed, Diversion, 16/09/26-17/09/26 2000-0700 :

J24A St George · Traffic Wales

About this road

The A55 at a glance

The A55 is the North Wales Expressway, running the coast from Chester past Colwyn Bay and Bangor to the Holyhead ferries. The Britannia Bridge onto Anglesey closes to high-sided vehicles in strong winds, and the Conwy and Penmaenbach tunnels have regular overnight maintenance. Data comes from Traffic Wales and refreshes every 5 minutes.

All roads

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