The Sacramento Arco is dated between the end of the first century. and the beginning of the second century. The monument was the entrance to the Forum for those coming from the theater district. The arch is supported by two pillars in opus latericium resting on stylobates opus quadratum. The arc diameter is about 5 meters and is surmounted by an exhaust brick arch. E 'currently devoid almost entirely of the marble coating and lack the statues that had to be housed in the niches that open into the two main facades. During the zone's restoration and redevelopment works, also emerged that the thermal complex, from 2009, It is part of an urban archaeological tour. The area is developed behind the city cathedral.