If the auto-detected speed limit in the Samsara dashboard looks incorrect, you can override it. You can edit speed limits from a speeding event, the Asset Speed Graph, or the Map Editor.
Overrides take effect right away but only apply to future trips. They will not change reports or speed graphs for completed trips.
If a road segment is updated and assigned a new ID due to reclassification or layout updates, your override may stop applying to this segment and you will need to set it again.
You need a standard admin role or a custom role with Map Editor permissions across the entire organization to override speed limits.
Administrators with tag-based access cannot apply overrides because changes affect the whole organization. If a tag-based administrator needs this access, create and assign a custom role with Map Editor permissions for the entire organization.
To edit speed limits from an asset’s trip history, you can select the route segments in the Map Editor.
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From the Samsara dashboard, navigate to your fleet Overview (
) > Assets.
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Click the asset name from the Vehicles list.
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From the Graph Data menu, select Speed to view the speed graph.
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To highlight and inspect the data during a time period, click and drag to select and view the time period.
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Click Edit Speed Limits and click and drag to select one or more trip segments from the speed graph.
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Select Edit (#) selected road segments to edit the speed limits for the segments in the Map Editor.
The Map Editor lets you view and edit speed limits by road segment, identified by a unique WayID. For any segment with an overlay, you can apply a speed limit override and review its WayID, current speed limit, and any existing overrides.
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From the Samsara dashboard, navigate to your fleet Overview (
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Right-click on the map and select Open Map Editor.
The map displays clickable, color-coded road overlays:
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Blue overlay: Road segment data available
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Yellow overlay: Road with speed limits that have been previously overridden
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If the street overlay cannot be edited or is not visible, click Zoom in to edit data.
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To search for a specific address, use the search bar or drag the map around to view neighboring areas.
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Select one or more road segments to edit.
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To select multiple road segments, you can click on each road segment or draw the route to automatically select the roads.
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To draw a route and edit multiple segments:
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Click Draw to Select on the map.
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Click on the route starting point location to Add Start Point for the route.
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Click on the route endpoint location to Add End Point for the route.
The map automatically chooses the quickest path between the start and end point locations and displays each segment detail.
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To modify the route, click Edit on the map.
The map displays an edit marker between the start point and end point.
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Adjust the edit marker to include the location. You can add one or more locations to the route by dragging the edit marker.
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Click Done Editing when done.
The map automatically calculates the quickest path between all edit markers.
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To clear road segments, either select the road segment or locate the Speed Limit Edits option and click remove (X) on the segment details.
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To apply an Override Speed Limit, enter the selection's speed limit.
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Apply Edits to save the speed limit overrides or Discard Edits to cancel all changes.
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