This was the first thing I thought of as well. The UK government's Traffic Sign Manual[0], and in particular Chapter 7 (The Design of Traffic Signs)[1] are biz

This was the first thing I thought of as well. The UK government's Traffic Sign Manual[0], and in particular Chapter 7 (The Design of Traffic Signs)[1] are bizarrely interesting reads. Maybe that says something more about me than the documents though... [0] https://www.gov.uk/government/publications/traffic-signs-manual https://www.gov.uk/government/publications/traffic-signs-man... [1] https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/203668/traffic-signs-manual-chapter-07.pdf https://www.gov.uk/government/uploads/system/uploads/attachm...