<p>Road running between the *Forum and the *Campus Martius along the E base of the steeply sloping *Arx (Buzzetti and Pisani Sartorio). Extant portions of the street were uncovered W of the *Forum Iulium (Colini 1941; id. 1933). The <i>clivus</i> passed through the Servian Wall (*Muri) at the *Porta Fontinalis. The toponym “Clivus Argentarius” is only known from mediaeval sources and possibly derives from the Trajanic <i>basilica Argentaria</i>; thus the name may not have been that used in the Augustan era.</p>