A303

Route

A303

Junction number

None

Markerpost

132.5

Name

Unknown

Type

Lane configuration change

Terminus

Last before break point

Other routes

None

Authority

Highways England

Restricted turns

Some turns restricted

Services

No services

Layout and signage

   
   

Lane configuration

LanesLanesLanes

  • Lane 1 splits to create a new lane.

LanesLanesLanesLanes

  • Lane 1 continues ahead.
  • Lane 2 terminates.

In this section

What's new

Go west! New Ringways pages are here

A new set of Ringways pages are now online, looking at unbuilt motorways and road projects west of London.

No smoke without ire

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?

Devon help us

Road signs are colour coded for different types of road, but in Devon there are more colours than anywhere else. What do Devon's colourful signs mean?

Have you seen...

Alley by gaslight

Some of Central London's quieter streets are still, surprisingly, lit by old and rather beautiful gas lanterns. Here are a few, by day and by night.