|Summary:||Two arches of identical plan; outside the Sanctuary of Demeter and Kore, in the southeastern and southwestern corners of the forecourt outside the Greater Propylon.|
|Date:||ca. 130 AD - ca. 200 AD|
Copies of Hadrian's Arch in Athens. Single wide arch with 2nd story of columns and entablature above. Corinthian columns on piers to either side of the arch opening (front and rear).
Built by Antoninus Pius: one marking the end of the road from the harbor, the other the end of the road from Megara.