Colonnade Row Westchester marble and linked with a colonnade of Corinthian columns providing the homes with their current name. The marble for the buildings was found at Sing Sing, where the convicts worked to cut it for use in construction. The precise year of the buildings' construction, as well as the architect responsible are subject to some debate. The architects generally credited with Colonnade Row's design is Alexander Jackson Davis, Ithiel Town, and James Dakin, who were believed to have designed the homes for the Astor and Vanderbilt families. Town and Dakin are believed to have begun work on the project, which
Great Colonnade at Palmyra was later added to the eastern colonnade between the Bel and Nebu temples. The middle colonnade, stretching from east to west, was constructed to connect the two earlier colonnades. Work on the central avenue began from the Monumental Arch, where it met the eastern colonnade, sometime in the early third-century CE. The section stretched until the Great Tetrapylon where it met the western colonnade in an oval plaza. The central colonnade also incorporated the portico of the baths. The central section of the Great Colonnade became the most important with several civic buildings clustered around it, including the caesareum, the