Attribute Rule (Summarization based on Intersection)

02-11-2022 11:16 AM
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I have been working on a few projects where we have a polygon feature class [Plow_Zones] and line feature class [Road_Centerlines], and I want to know the length of roads within each Plow District. I know I can summarize within to calculate the length of road within each poly, but is there a way to integrate this as an attribute rule to update the length of roads within each plow zones as they change? I've seen some similar questions and it appears a common solution is to create a model and run a task scheduler, but I'm sure there is an expression to get this to work within the attribute table itself as a "calculation rule." Any help would be appreciated. 

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