"Our research implies that in the second century C.E., the period when the [Roman] Empire had its maximum extent, this road network comprised some 300,000 kilometers—nearly double the previously known total length of Roman roads. […] How, after centuries of research, can we know so little about this system? And where are the lost roads of the Roman Empire?"

https://www.scientificamerican.com/article/new-high-resolution-map-transforms-what-we-know-about-roman-roads-and-the-roman-empire/

#Research #History #Roads #RomanEmpire