This report, titled "New Mobility in Cities Designed to Shape and Enable It: Experimentation at the Interface of Urban Design and New Mobility," was written by authors Greg Rucks and Ben Holland. The report explores the intersection of urban design and new mobility experimentation and offers insights into shaping and enabling new mobility in cities. The authors thank various individuals and organizations for their contributions to the report, including Shin-pei Tsay, Gehl Institute, Jeff Risom, Gehl Institute, Nico Larco, Urbanism Next, Meg Merritt, Nelson\Nygaard, Anand Babu, Sidewalk Labs, and Google AI/Brain. The report was supported by the Robert Wood Johnson Foundation and does not necessarily reflect the views of the foundation.