Gfoley4 t1_je5t26o wrote
Reply to comment by grambell789 in In Washington heights they tour up the roads to do work and revealed the old cobblestone beneath (184 & Pinehurst) by soylentgreenis
I started to reply but this top comment answers it well. https://www.reddit.com/r/AskEngineers/comments/gixtmf/how_do_asphalt_milling_machines_perfectly_avoid/?utm_source=share&utm_medium=ios_app&utm_name=iossmf
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