Built
probably in the second century B.C., this is the most recent gate. It
was built out of limestone from Sarno
and was successively repaired with uncertain works. The minor portal
was reserved for pedestrians while the other one was for vehicles. The
steep slope and the absence of the characteristic tracks left by carts
in the pavement would lead to the supposition that goods were
transported mainly by mules on this side. To the left, towards the
south, there was once a tower,
that was successively incorporated into the structures of the Imperial
Villa.