Air quality

No smoke without ire 27 October 2021

London's Ultra Low Emission Zone has just expanded to cover the whole inner city, and across the UK, other cities are implementing their own Clean Air Zones. Is this the future?

What's new

Where did the M25 come from?

London’s notorious orbital motorway turns 40 years old today. Where did it come from - and why the number “25”?

The long way round

When a road is closed, why isn't the diversion route just the quickest way past the closure?

Signs and sensibility

The one great attempt to make London’s streets logical - and how one retired chauffeur’s favourite routes changed the way you get around the capital.

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Roundabouts

The UK has been driving in circles for a hundred years now, and this humble road junction has become part of British culture. Just what is so special about roundabouts?