M3 (NI)

M3 (Northern Ireland)

Lagan Bridge

Belfast to Ballymacarrett

The M3 is fairly obviously just the last mile of the M2, built in the 1990s when a new crossing over the Lagan was required. Not that anybody pays any attention to its number anyway.

Routes

What's new

A century of motorways

It's 100 years since the opening of the world's first motorway, the Autostrada from Milan to the Lakes.

Schrödinger’s speed limit

In 2022, Manchester City Council say they reduced the speed limit on the Mancunian Way to 30mph. But it’s not clear if they did. It’s not even clear if they can.

Sorry, wrong number

Road numbering is a system with clear rules. What happens when the people responsible for numbering roads don't follow them?

Share this page

Have you seen...

Old Motorway Photos

A gallery of images sent in by visitors to the site of original photos of motorways — including some impressive views of the M4 and M11 under construction.