The Forum perhaps stood near the present Palazzo di Citta, and the Theatre was traced in 1899 in the north-east corner of the town, occupying apparently, a complete insula;[74] of the private houses nothing definite seems to be recorded.
[74] _Notizie_, 1903, p.

3.
But the street-plan has survived intact, except in two outlying corners.

The town was divided up into square or nearly square blocks, of which there were nine counting from east to west and eight from north to south.

Most of these 'insulae' measured about 80 yds.
square.[75] A few were larger, 80 x 120 yds.; these were ranged along the north side of the street now called Via Garibaldi (formerly Dora Grossa), which represents the Roman main street between the east and west gates--in the language of the Roman land-surveyors, the _decumanus maximus_.

This street cut the town into two equal halves.
The other divisions of the town were no less symmetrical.