In the following Campanian War the Suessulani followed the fortunes of the citizens of Capua, and shared the same fate, so that at the close of the contest, in 338 BC, they must have obtained the status of civitas, but without the right of suffrage (Id.
Suessula was on the line of the Via Popillia, which was here intersected by a road which ran from Neapolis through Acerrae, and on to the Via Appia, which it reached just west of the Caudine pass.
The line of hills which rises from the level plain of Campania immediately above Suessula, and forms a kind of prolongation of the ridge of Mount Tifata, was a station almost as convenient as that mountain itself, and in 216 BCE, it was occupied by M. Claudius Marcellus with the view of protecting Nola, and watching the operations of Hannibal against that city (Liv.
From this time the Romans seem to have kept up a permanent camp there for some years, which was known as the Castra Claudiana, from the name of Marcellus who had first established it, and which is continually alluded to during the operations of the subsequent campaigns (Liv.
The Tabula Peutingeriana places it on a line of road from Capua to Nola, at the distance of 9 miles from each of those cities (Tab.
The ruins of the town lie within the Bosco d'Acerra, a picturesque forest, about 7 km south of Maddaloni, and an adjacent castle is still called Torre di Sessola.
Inscriptions, as well as capitals of columns and other architectural fragments, have been found there (Francesco Maria Pratilli, Via Appia, iii.