Early 2nd c. AD: Harbour Street is paved and porticoes are constructed along the street. The Middle Gate of the Harbour is built possibly as an entrance to the monumental street.
3rd c. AD (Severus dynasty): The colonnades of the porticoes are reconstructed.
Early 5th c. AD: The porticoes are restored again and the monumental street of the Harbour is dedicated to Emperor Arcadius.
First half of 6th c. AD: The four-column monument is constructed approximately in the middle of the street.
First half of 7th c. AD: Arcadian Street is repaired. The Byzantine wall is built in a part of the south portico. Various commercial facilities are created and the street loses its monumental character.