A55 J20

Route

A55

Junction number

Markerpost

Unknown

Name

Unknown

Type

Diamond

Terminus

Not a terminus

Other routes

None

Authority

Transport Wales

Restricted turns

Full access

Services

No services

Layout and signage

Penrhyn
Rhos-on-Sea
Llandrillo-yn-Rhos
B5115

A547

(B5113)
A547

B5115

Penrhyn
Rhos-on-Sea
Llandrillo-yn-Rhos
B5115

Lane configuration

Lanes Lanes Lanes Lanes

Lane 1 continues, with option to exit.
Lane 2 continues ahead.

Lanes Lanes Lanes Lanes

Lane 1 continues, with option to exit.
Lane 2 continues ahead.

What's new

Spaghetti Junction recipe

Back in 1972, one Birmingham newspaper found Spaghetti Junction so devilishly complex that it published a pull-out-and-keep guide to navigating it.

No exit

Bristol’s M32 recently gained a new junction for buses only. To mark this strange new addition to the motorway network, here are five places you can’t leave the motorway.

The UK's latest motorway

The new A1(M) between Leeming and Barton in North Yorkshire is now, finally, nearing completion. It's been a long wait!

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Have you seen...

In days gone by, new roads were often celebrated with a grand opening ceremony and the issue of a commemorative booklet heralding the exciting new highway. You'll find some of them here, complete with a glimpse of all that empty tarmac and a healthy dose of modernist optimism.