Swimlanes enable you to group and sort your project timeline or Gantt chart into meaningful sections based on any field in your project plan:

Popular swimlane groupings include program, subproject, phase, functional area, site, and resource assignments.
Nesting Multiple Swimlane Levels (Sub-Swimlanes)
While many projects only require one swimlane grouping, OnePager can support up to three. Sub-swimlanes nest within the parent swimlane from left-to-right:

In the example above, we have three swimlanes (Program, Project, and Workstream), plus a text column to depict the resource assignment.
For more information on how to create parent swimlanes and child swimlanes in OnePager from different project management tools, read the following articles:
Swimlane Formatting
You can control the look and feel of your swimlanes in OnePager by changing any of these formats:
- Swimlane Background color
- Swimlane Cell Color
- Swimlane label font
All of these properties can be set using conditional formatting, or can be changed using point-and-click formatting if you prefer. For example, this conditional formatting rule will automatically turn the entire swimlane red if a single task within it has a late status:

