Roundabouts Properties: Arm: Slip Lane: Slip Lane Exit

Click Slip Lane Exit under Slip Lane in the left-hand pane. The Exit Road Side page is displayed.

Click Slip Lane Entry under Slip Lane in the left-hand pane. The Entry Road Side page is displayed.

The value in the New Lanes field depends on whether the Single or Double Slip Lanes has been selected in the Slip Lane page and on whether the number of new lanes has been defined for the slip lane.

The Acceleration Region Length is the section of the slip lane at the end of the slip lane that runs parallel to the original road, to allow vehicles to speed up out of the slip lane curve.

The Outer Flare Length Ratio is the length of the flare for the widening of the lanes. It is a ratio of the change in width.

The Gap Length is the gap in the curving to allow vehicles exit from the slip lane.

The Distance from Roundel is distance from the roundel of the roundabout to the end of the flaring for the slip lane creation.

The Distance to Blend Point is the minimum and maximum distance before you start the flaring at the end of the slip lane. This is only defined in the Roundabout Standards.

The Inner Flare Radius is the radius of the inside part of the exit flare.

The Outer Flare Radius is the radius of the outside part of the exit flare.

The Inner Taper Length Ratio is the taper on the other side of the exit of the curve and is always a triangle. It is the ratio of the change of the width.

The Adjust Kerb Offset with Flare, when selected, adjusts the change in kerb width along the flare line.