Roads to Rome (2015)

There's also this website which shows ancient Roman roads: https://itiner-e.org/. Note that some roads are speculative / hypothetical though. But regardless it's also a cool road map related to Rome.

That was a nice project. Gave GraphHopper some visibility :)

OpenCage did an interview with one of the creators Raphael Reimann:

https://blog.opencagedata.com/post/135637030948/open-geo-int...

btw: 2019 moovel kind of merged together with FreeNow (formerly mytaxi) which was recently aquired by Lyft...