Estimated: Industrial Park North, near U.S. 31 and County Road 400 North, Kokomo, Howard County, Indiana (coordinates approximate: nearest OpenStreetMap-geocoded county road north of Kokomo)Digital Realty
Estimated: Google Project Springboard Campus Building 4, John T. Griffin Industrial Park, Muskogee, Muskogee County, OK 74403Google LLC (Alphabet Inc.)
The Portal 将把 Caltrain 以及日后的加州高铁从 Fourth and King 引入地下,接入早已建在 Salesforce Transit Center 下方的列车箱体,并在 Fourth and Townsend 新建一座地下车站。TJPA 2025 年 7 月的初步估算显示,建设成本约为 75.7 亿美元,其中联邦政府已承诺出资 33.8 亿美元。