A3 Parkway Interchange

Layout and signage

  A320     A25
A320
A25
  Horsham (A281)
Bagshot
Guildford
(A322)

Lane configuration

LanesLanesLanesLanesLanes

  • Lane 1 is gained from the entry sliproad.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

LanesLanesLanesLanesLanes

  • Lane 1 exits and does not return.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

Other events

  • Signs National Speed Limit begins
  • Signs 50mph speed limit begins

In this section

What's new

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.

A bridge under troubled bridges

A bridge that was ruined by another bridge, and a type of highway planning beyond any of the UK’s worst nightmares.

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Have you seen...

Skelmersdale Link to M6

Bold plans and unrealised ideas for the New Town of Skelmersdale are set out with great ceremony and excitement in this book that marks the opening of a road that became the M58.

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