Create and modify LRS intersections

Available with Location Referencing license.

You can create intersections in a new intersection feature class for an existing LRS Network; modify an existing intersection feature class in an existing LRS Network; or load event records from a table, layer, or feature class into an existing intersection feature class.

Create an LRS intersection

Use the Create LRS Intersection tool to create an intersection point feature class for a parent LRS Network. If the intersection feature class is not modeled in advance, it can be created as an output of this tool while the intersection is registered in the LRS geodatabase.

Learn more about the intersection feature class fields and properties

To add intersections to the intersection feature class, run the Generate Intersections tool.

Learn more about generating and updating intersections

Use the following steps to create an intersection feature class in the LRS.

1. In ArcGIS Pro, open the Create LRS Intersection tool.
2. Click the Browse button next to Parent LRS Network and browse to the LRS network feature class in the geodatabase where the event will be registered.

   The Network Description drop-down menu is populated based on the LRS Network value.

   Note:

   Create an LRS Network feature class if one doesn't exist in your LRS.

3. Click the Network Description drop-down arrow and choose a field to use as the network description.
4. Provide the name of the intersection to be registered in the Intersection Feature Class parameter.

   If the intersection feature class doesn't exist in the LRS Network, it is created.

5. Click the Intersecting Layers drop-down arrow and choose a field to use as the intersection layer.
6. Click the ID Field drop-down arrow and choose a field to use as the ID field or provide a name in the ID Field parameter.
7. Click the Description Field drop-down arrow and choose a field to use as the description field or provide a name in the Description Field parameter.
8. Provide an alphanumeric value to use as a name separator in the Name Separator parameter.
9. Optionally, uncheck the Consider z-values when generating intersections parameter if you want z-values to be used during the generation of intersections.

   If Consider z-values when generating intersections is checked, provide a z-tolerance value in the Z Tolerance parameter.

10. Click Run to run the tool.

The intersection feature class is mapped to the selected fields.

Create an LRS intersection from an existing dataset

Use the Create LRS Intersection From Existing Dataset tool to create intersections for an LRS Network using an existing feature class.

Learn more about the intersection feature class fields and properties

1. In ArcGIS Pro, open the Create LRS Intersection From Existing Dataset tool.
2. Click the Browse button next to Parent LRS Network and browse to the LRS Intersection feature class in the geodatabase where the intersection will be registered.

   Note:

   Create an LRS Network feature class if one doesn't exist in your LRS.

3. Click the Network Description drop-down arrow and choose the network description field to use or provide a value.
4. Click the Intersection Feature Class drop-down arrow and choose the intersection feature class.

   The remaining parameters are populated based on the chosen intersection feature class, with the exception of Intersecting Layers.

5. Use the default name or choose the intersection ID field from the Intersection ID Field drop-down menu.
6. Use the default name or choose the intersection name field from the Intersection Name Field drop-down menu.
7. Use the default name or choose the route ID from the Route ID Field drop-down menu.
8. Use the default name or choose the feature ID from the Feature ID Field drop-down menu.
9. Use the default name or choose the starting date field name from the From Date Field drop-down menu.
10. Use the default name or choose the ending date field name from the To Date Field drop-down menu.
11. In the Intersecting Layers value table, click the Intersection Layer drop-down arrow and choose an intersection layer.
    1. Click the ID Field drop-down arrow and choose an ID field.
    2. Click the Description Field drop-down arrow and choose a description field.
    3. Click the Name Separator drop-down arrow and choose a separator field.
12. Optionally, click the add button next to Intersecting Layers to add more intersecting layer value tables and define the value table fields for each intersecting layer.
13. Optionally, check the Consider z-values when generating intersections parameter to use z-values during the generation of intersections.

    If Consider z-values when generating intersections is checked, provide a z-tolerance value in the Z Tolerance parameter.

14. Provide the name of a field in the intersection feature class in the Measure Field parameter to use as a measure field.
15. Click Run to run the tool.

The intersection feature class is mapped to the selected fields.

Modify an LRS intersection

You can modify existing LRS intersections using the Modify LRS Intersection tool by remapping one or more LRS intersections fields in an LRS Intersection feature class. You can use this tool to add or remove properties from an intersection point event.

Create the fields for field remapping in the underlying LRS Intersection feature class before using this tool. The fields must have the properties outlined in the intersections data model.

Learn more about the intersection feature class fields and properties

Note:

You can use the Calculate Intersecting Route Measures tool to create an output table of all the routes and measures at each intersection location.

1. In ArcGIS Pro, open the Modify LRS Intersection tool.
2. Click the Intersection Feature Class drop-down arrow and choose the LRS intersection feature class to modify.

   The input feature class must represent an LRS intersection.

   Tip:

   You can also provide the intersection feature class name in the Intersection Feature Class parameter.

   The remaining parameters are automatically populated based on the chosen intersection feature class, with the exception of Intersecting Layers.

3. Use the default name or choose the intersection ID field from the Intersection ID Field drop-down menu.
4. Use the default name or choose the intersection name field from the Intersection Name Field drop-down menu.
5. Use the default name or choose the route ID from the Route ID Field drop-down menu.
6. Use the default name or choose the feature ID from the Feature ID Field drop-down menu.
7. Use the default name or choose the feature class name field from the Feature Class Name Field drop-down menu.
8. Use the default name or choose the starting date field from the From Date Field drop-down menu.
9. Use the default name or choose the ending date field from the To Date Field drop-down menu.
10. In the Intersecting Layers value table, click the Intersection Layer drop-down arrow and choose an intersection layer.
    1. Click the ID Field drop-down arrow and choose an ID field.
    2. Click the Description Field drop-down arrow and choose a description field.
    3. Click the Name Separator drop-down arrow and choose a separator field.
11. Provide the name of a field in the Measure Field parameter to use as a measure field in the Intersection Feature Class value.
12. Click Run to run the tool.

The intersection feature class is remapped to the selected fields.