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
I-5 Colonnade section featuring Cyclone and The Octagon Of Death, a rock jumble descent named the Waterfall, and Downhill/Freeride lines including The Offramp, Holy Chute, and Pips Hips. The I-5 Colonnade bike park has paved the way for other mountain bike facilities in the state of Washington and beyond. Using the available space under the I-5 freeway has been heralded as a highly innovative approach to bring mountain biking to the intercity environment. The park transformed the area from a drug infested encampment to a refuge for outdoor recreation. I-5 Colonnade I-5 Colonnade in Seattle, Washington, United States, is a city park