Hot answers tagged network-analyst
As I've noted in my comment, you may use the arcpy delete management method to delete the service area layer. Permanently deletes data from disk. All types of geographic data supported by ArcGIS, as well as toolboxes and workspaces (folders, geodatabases), can be deleted. If the specified item is a workspace, all contained items are also deleted.
I've come across similar issues with mass automation generating thousands of files. An issue is that you are filling a folder with thousands of datasets which all have one feature, this would have an impact. I would consider either writing them to a file geodatabase or combine them in some manner. You could turn your model into a sub-model and pass out a ...
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