# 2.2.7.3 Changing Track Radius

This command is used to change the radius of a curved track or to curve a section of straight track.

1. Click the Modify button () to activate the Modify function.

2. Shift+Left+Drag the unconnected endpoint of a curved track to change the radius of track segment. Alternately, Shift+Left+Drag the unconnected endpoint of a straight track to add a radius to the track segment.

   - For this command to work, the endpoint opposite that being manipulated must be connected to another track.

This command can be used to change straight tracks into curved track and vice versa.

For detail about;

  Changing track length refer to Section 2.2.7.1.

  Creating a tangent to a curve refer to Section 2.2.7.2

  Extending track length refer to Section 2.2.7.4