How can I use iterators to simplify this in ModelBuilder?

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I'm relatively new to automating processes with ArcGIS. The overall goal of the model is to first isolate the road network of a user input town/city from a state/provincial road network file and then ensure that none of the segments in the new town/city network are greater than 500m. The logic behind segmenting is as follows:

• Check if there are roads in the network over 500m
• Create a layer of only roads over 500m
• Split roads in the new layer in half
• Check new layer to see if there are any segments over 500m
• Repeat until there are no segments over 500m

After the loop is complete, all the layers created from the loop are recomposed into a single final output layer.

This is shown in the screenshot, but I haven't been able to figure out how to use iterators to achieve what I want. In place of the iterators I've simply copy and pasted the process several times. Could you help me reduce this segment of the model down into a single loop? Thanks!





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