Thomas Ashby, 1911 Encyclopædia Britannica, Volume 5… (1911)
“ The date of its construction is uncertain: it cannot have been earlier than 187 B.C., [2] when the consul C. Flaminius constructed a road from Bononia to Arretium (which must have coincided with the portion of the later Via Cassia) . It is not, it is true, mentioned by any ancient authorities before the time of Cicero, who in 45 B.C. speaks of the existence of three roads from Rome to Mutina, the Flaminia, the Aurelia and the Cassia. ”
