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Lane definition

Lane definition controls where riders position themselves on the road and how much space is available for riding side-by-side. 

It plays a key role in visual alignment and overall ride realism.

 

Basic requirements

At least one lane definition (keyframe) is required for every route.

Lane definition is split into two sides:

  • Right lane: Defines the rider’s primary path
  • Left lane: Defines the available space for other riders riding alongside

You don’t need to match the exact road edges. Instead, approximate the usable riding space and leave a small buffer toward the center for a more natural look.

Set the first lane definition well before the Start line.

 

Main tools

Use these tools to adjust lane positioning and width:

Left/right sliders (toolbox)

Adjust lane width numerically for precise control.

  • Use the sliders to fine-tune the amount of space available on each side.
    Ideal for consistent adjustments across longer sections.
  • Keep in mind that lane definition also affects how new models, such as banners, align when using Make a Copy.

3D view controls

For more visual and interactive adjustments, use the 3D view:

  • Left mouse button: Adjust lane width by dragging the assist objects.
  • Right mouse button: Adjust lane distance and overall positioning.

This method is especially useful when adapting lanes to visible road features.

Setting the riding side (left or right) 

Define which side of the road riders should use.

  • Set the riding side based on the country’s traffic rules or your intended experience.
  • Adjust the lane width according to real-world conditions, such as narrow roads, obstacles, or traffic.

This ensures the ride feels natural and regionally accurate.

Use these values as a guideline:

  • Optimal: 3+ meters for comfortable riding and spacing.
  • Minimum (two riders): 1.5 meters.
    • Default setup: 1 m left, 0.5 m right.

Correct use of keyframes 

Keyframes control how lane settings change along the route.

  • Add a keyframe approximately 50 m before any major lane change.
  • This preserves previous settings and prevents conflicts with nearby 3D objects.
  • Use as few keyframes as possible to keep transitions smooth and manageable.

Well-placed keyframes ensure stable visuals and avoid unexpected behavior.

 

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