Designer builds AI pipeline to generate highway interchanges with error flagging

tomjohndesign · x · 2026-11-09

Designer tomjohndesign shared results from two weeks of iterating on an AI pipeline that generates highway interchange imagery—finally getting output 'unreasonably close' to plausible interchanges after many failed attempts.

His process also detects structural errors, marking them with circles in the images, and he plans to keep testing against each tweak to the build pipeline. He suggests this kind of data is rare enough that only the likes of Google, Apple, Tesla, and Mapbox might hold comparable datasets, and calls it a promising side project.

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