FORUM APPII  , an ancient post station on the Via Appia, 43 M . S.E. of Rome, founded, no doubt, by the original constructor of the road . Horace mentions it as the usual halt at the end of the first day's journey from Rome, and describes it as full of boatmen and cheating innkeepers . The presence of the former was due to the fact that it was the starting-point of a canal which ran parallel to the road through the Pomptine Marshes, and was used instead of it at the time of Strabo and Horace (see APPIA, VIA) . It is mentioned also as a halting place in the account of Paul's journey to Rome (Acts xxviii . 15) . Under Nerva and Trajan the road was repaired; one inscription records expressly the paving with silex (replacing the former gravelling) of the section from Tripontium, 4 M . N.W., to Forum Appii; the bridge near Tripontium was similarly repaired, and that at Forum Appii, though it bears no inscription, is of the same style . Only scanty relics of antiquity have been found here; a post station was placed here by Pius VI. when the Via Appia was reconstructed . (T .