Great Colonnade at Apamea as part of the intersection. The colonnade was further intersected by side streets at regular intervals of . The colonnade passed through the center of the city and several important buildings were clustered around it, including the baths, the agora, the Temple of Tyche, the nymphaeum, the rotunda, the atrium church and the basilica. The street within the colonnade was wide and paved with large polygonal limestone blocks. On either side of the street a wide colonnade ran its full length. The columns were high and in diameter. They stood on square bases of on a side and high. The
Great Colonnade at Apamea of the second century the city was completely rebuilt, starting with the Great Colonnade. The colonnade was aligned along the north-south axis, making up the city's "cardo maximus" under the Romans. Starting at the city's north gate, the colonnade ran in an uninterrupted straight line for almost to the south gate. The northern third of the colonnade's stretch is marked by a monumental votive column that stood opposite the baths. The southern third, at around , is marked by the intersection with the city's main east-west axis, or the "decumanus maximus". Two triple arches were built into the Great Colonnade