This category allows you to view and edit the approach leg radii.

Design Guidelines' Leg Arc Radii Category Dialog Box

In the dialog box, move the mouse pointer over the controls to view the associated tooltip and then reference the controls described below.

Note: For the purposes of describing the software, it is assumed that Right-Hand Traffic is selected under Traffic Direction in Design Guidelines' General Category. If Left-Hand Traffic is selected, the descriptions with references to a right/left turn path should be interpreted in the opposite direction.

Entry Path Radius

Specify the entry path radius value. This is the radius of the path which the design vehicle travels from the entry approach leg to the circulatory path.

Exit Path Radius

Specify the exit path radius value. This is the radius of the path which the design vehicle travels from the circulatory path to the exit approach leg.

Legend

For a description of the elements drawn in the roundabout in this category, see Roundabout Illustration Legend.For a description of the elements drawn in the turbo roundabout in this category, see Turbo Roundabout Illustration Legend.