The Roman Empire's road map' is twice as extensive as previously thought
The Roman road network covered about 186,000 miles—almost twice previous estimates—with roads built of layered compacted gravel, largely unpaved and mostly lost today.
'Google Maps' for Roman roads reveals vast extent of ancient network
High-resolution mapping of Roman roads combines historical records and modern imagery to reveal nearly 300,000 km of roads, nearly doubling known Roman road length.
