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Terminology

  • Treatments are applied directly to the roading infrastructure.
  • Measures act on driver behaviour.

Overtaking treatments

Depending on the road section strategy, overtaking treatments include:

  • overtaking sight distance improvements:
    • batter relocation
    • vegetation control
    • pavement rehabilitation (involving changes to vertical and/or horizontal alignment)
    • road realignment
  • overtaking enhancements (where overtaking currently occurs or is likely to occur):
    • seal widening

    • overtaking in opposite direction at passing lanes and slow vehicle bays

    • configuration of passing lanes and slow vehicle bays (to preserve existing overtaking zones).

For more detail on where overtaking opportunities are applied, see the Tool kit of options and Long-term framework for passing and overtaking treatments, which are both under Technical information, Passing and overtaking documents.

See also appendix A Tool kit of options and appendix C Long-term framework for passing and overtaking treatments under Technical information, Conference publications, Regional passing and overtaking plans: A bridge between high-level policy and localised solutions.

Passing treatments

Depending on the road section strategy, passing treatments include:

  • 2+1 lanes (ie continuous alternating passing lanes)

  • passing lanes

  • crawler lanes (for specific situations, also known as climbing lanes)

  • slow vehicle bays

  • diagonally marked wide sealed shoulders (on flat/rolling gradients)

  • diagonally marked crawler shoulders (on hilly mountainous gradients).

For more detail on where overtaking opportunities are applied, see the Tool kit of options and Long-term framework for passing and overtaking treatments, which are both under technical information, Passing and overtaking documents.

See also appendix A Tool kit of options and appendix C Long-term framework for passing and overtaking treatments under Technical information, Conference publications, Regional passing and overtaking plans: A bridge between high-level policy and localised solutions.

Supporting treatments and measures

As well as overtaking and passing treatments, a range of supporting treatments and measures will also be applied, depending on the road section strategy:

  • centreline treatments,

  • roadside/edgeline treatments,

  • intersections treatments,

  • resource planning measures,

  • education measures,

  • enforcement measures,

  • travel demand management (TDM) measures,

  • intelligent transport systems (ITS) measures.

For more detail on where overtaking opportunities are applied, see the Tool kit of options and Long-term framework for passing and overtaking treatments, which are both under technical information, Passing and overtaking documents.

See also appendix A Tool kit of options and appendix C Long-term framework for passing and overtaking treatments under Technical information, Conference publications, Regional passing and overtaking plans: A bridge between high-level policy and localised solutions.

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