* [[How-to add and remove an overlay|Add and remove an overlay]]
{{Editor ribbon|header=3D World|bar=Overlays}}
Adding and removing overlays is a generic process, however, certain overlays are dependent on other assets being present too, such as indicators, terrains, vacancy, images, etc. For more information please refer to the respective main articles for the specific overlays.
{{Editor steps|title=add the Traffic Density Overlay|Select in the editor 'Geo Data' from the ribbon|Select 'Overlays' > 'Edit overlays' from the ribbon bar|Select the Traffic Density Overlay from the drop down menu on the bottom of the left panel|Select 'Add' from the bottom of the left panel|The overlay icon will now appear under the mini map}}
File:SelectDropDown.jpg|3. Select desired overlay from drop down menu on the bottom of the left panel
File:SelectAddOverlay.jpg|4. Select 'Add' from the bottom of the left panel
File:OverlayIconPresent.jpg|5. The overlay icon will now appear under the mini map
</gallery>
{{Editor steps|title=remove an overlay|Select in the editor 'Geo Data' from the ribbon|Select 'Overlays' > 'Edit overlays' from the ribbon bar|Select the desired overlay'*' from the list of active overlays'**' on the left panel|Select 'remove' from the bottom of the left panel|Confirm the removal in the pop up confirmation message}}
File:SelectOverlay.jpg|3. Select desired overlay from the list of active overlays on the left panel
File:SelectRemoveOverlay.jpg|4. Select 'Remove' from the bottom of the left panel
File:ConfirmRemovalOverlay.jpg|5. Confirm the removal in the pop up confirmation message
</gallery>
''Sometimes it can be convenient to duplicate an already existing overlay. To do so, follow the steps for removal, but select 'Duplicate' in stead of 'Remove'.''
The Traffic Density Overlay is an overlay which is used for displaying traffic density on a road section on the map. When added to your project, it can be activated by clicking the corresponding icon on the minimap. When activated the Traffic Density Overlay displays 3 colors, red, yellow and green. Different colors mean different densities of traffic on this this road section.
This overlay becomes available for all stakeholders when added to a project.
Legend
Green: 0-5 units / Minute
Yellow: 6-25 units / Minute
Red: 26+ Units / Minute
Additional information displayed in hover panel
Hover panel displays additional information
The hover panel gives additional information when the overlay is active.
Number of Units / Minute
The number of Units / Minute which flow across this road.
Speed
The average speed in km / hour which is driven on this road.
