After a long wait. From an email from Deirdre Ehlen, the DC Commission on the Arts and Humanities' public art coordinator:
The much-anticipated public art installation by renowned artist Sam Gilliam, From a Model to Rainbow, will be installed next week at the Takoma Metro Underpass. The installation will begin on Monday, May 2nd and will most likely conclude by Wednesday, May 11th. In addition, the Mayor will be attending the unveiling ceremony, which will occur on Saturday, June 11th at 10:00am. Formal invitations and details will follow in the next few weeks regarding the dedication ceremony. Please email Deirdre.Ehlen@dc.gov or call 202-724-5613 if you have any questions. It has been an absolute pleasure working on this project and I hope you share in my excitement!