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Fully automated vehicles are still years away, but technologies that would enable automation are increasingly available in all vehicles. Lane keeping assistance is one of those emerging technologies found on many late-model vehicles on the road today, and a key part of improving safety for all users. Utah DOT contracted with researchers in 2021 to evaluate the performance of highway pavement markings in an automated vehicle environment. Uncover the study findings, including an extensive report on marking types, pavement contrast and the functionality of machine vision in various environments and roadways.