There were ten cities serviced by Byrne, all on the eastern seaboard, and his itineraries were detailed on practically an hour by-hour basis.
The beautiful lake is the ancient Lacus Sabatinus, supposed to derive its name from an Etruscan city of the name of Sabate, which is wrongly thought to be mentioned in the Itineraries; the reference is really to the lake itself, which bore this name and gave it to one of the Roman tribes, the tribus Sabatina, founded in 387 B.C. (0.
The name of Herculaneum, which for some time remained attached to the site of the disaster, is mentioned in the later itineraries; but in the course of the middle ages all recollection of it perished.
The centre of the mining district (Metalla of the itineraries) was probably about 5 m.
A branch from this road ran to Olbia (followed closely by the modern highroad and railway also), and was perhaps the main line of communication, though the itineraries state that the road from Carales to Olbia ran through the centre of the island by Biora, Valentia, Sorabile (near Fonni) and Caput Thyrsi.