A3 Hook Underpass

Layout and signage

  A243


A309
    A243



  Dorking
Leatherhead
A243
Staines
Esher
A309

Lane configuration

LanesLanesLanesLanesLanes

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

LanesLanesLanesLanesLanes
LanesLanesLanesLanes

  • Lane 1 exits and does not return.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.
  • Then further along:
  • Lane 1 continues, with option to exit.
  • Lane 2 splits to create a new lane.

Other events

  • Signs National Speed Limit begins

In this section

What's new

Red, white and blue

Kent County Council is run by eurosceptic nationalists. So why are they putting EU flags on their road signs?

The sunlit uplands

On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.

Grand openings

Our much-loved Opening Booklets section has two new publications for you to explore, and we’re making some overdue changes to make them easier to find and easier to read.

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Have you seen...

Queensway Tunnel

The engineering marvel of its day, much altered and maligned ever since: this is the original Mersey Tunnel in all its glory.

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