The original Roman grid plan is magnificently visible in the orthogonal design, highlighted by the decumanus maximus (east–west-oriented street) and the cardo (north–south-oriented street) lined by a partially restored Corinthian colonnade.
O plan da rede romana orixinal esta magnificamente visible no deseño ortogonal, destacando o decumanus maximus (á rúa orientada de leste a oeste) e o cardo (rúa orientada de norte a sur) bordeada por unha columnata Corintia restaurada parcialmente.