Specify the parameters for a cul-de-sac.

Option

 

Description

Type

Specify the layout style:

  • Symmetrical - symmetrical around the road centre line.

  • Offset Left - the turning area is to the left of the road centre line.

  • Offset Right - the turning area is to the right of the road centre line.

Apply Kerb

Select this checkbox to add a kerb to the edge of the cul-de-sac. By default it will use whatever kerb is specified for the road. Click to the right to display the Kerb Selector.

Point Prefix

Specify a prefix to be added to the names of the points that define the edges of the cul-de-sac.

String coordination interval

Enter the interval at which coordinates should be generated.

Dimensions

Refer to the diagram and specify values for the cul-de-sac layout.

Extend alignment grade

Select this checkbox to extend alignment grade to the end of the turning area. If this option is not selected you can specify the grade of the turning area from the turning circle centre. See the diagram below.