Piacenza has the roman squared city center intact in layout[1], lots of other small towns as well, but the fact is the old town parts are likely too small to ac

Piacenza has the roman squared city center intact in layout[1], lots of other small towns as well, but the fact is the old town parts are likely too small to actually matter when you look at the whole city layout - hard to notice from just looking at the urban map! then you have places like Turin that were built with a ruler [2] https://www.google.it/maps/place/Via+Camillo+Benso+Cavour,+37,+29121+Piacenza+PC/@45.0535637,9.696712,17z/data=!4m7!1m4!3m3!1s0x4780dd5d846b46f9:0x51f69c98ad5dd080!2sVia+Borghetto,+29121+Piacenza+PC!3b1!3m1!1s0x4780dd5ee54fc553:0x64d649c17a854eba!6m1!1e1 https://www.google.it/maps/place/Via+Camillo+Benso+Cavour,+3... https://www.google.it/maps/place/Turin,+Metropolitan+City+of+Turin/@45.0653871,7.6696611,14.75z/data=!4m2!3m1!1s0x47886d0cc3ed5cdf:0x405e67d473c94e0 https://www.google.it/maps/place/Turin,+Metropolitan+City+of... edit: some more samples, with cardo/decumano marked when known naples https://www.google.it/maps/place/Naples,+Metropolitan+City+of+Naples/@40.8413926,14.247351,18.25z/data=!4m2!3m1!1s0x133b084f6a6c7e99:0x3df52cc13b78191d https://www.google.it/maps/place/Naples,+Metropolitan+City+o... parma (barely visible, linked plaza was the old forum) https://www.google.it/maps/place/Piazza+Giuseppe+Garibaldi,+1,+43121+Parma+PR/@44.8014151,10.3284871,18.85z/data=!4m2!3m1!1s0x47806ae658e227e1:0xd4ef6bcbe7faf4ea https://www.google.it/maps/place/Piazza+Giuseppe+Garibaldi,+... verona https://www.google.it/maps/place/Via+Rosa,+7,+37121+Verona+VR/@45.4446212,10.9968018,17.75z/data=!4m2!3m1!1s0x477f5f4958041e89:0x9f4341065220e9ac https://www.google.it/maps/place/Via+Rosa,+7,+37121+Verona+V... firenze, you can even see the old walls https://www.google.it/maps/place/Piazza+della+Repubblica,+10,+50123+Firenze/@43.7713588,11.2541992,17.75z/data=!4m2!3m1!1s0x132a54019458448f:0x346f9c6ac1205f60 https://www.google.it/maps/place/Piazza+della+Repubblica,+10...