To build a comprehensive, functional cross-country network spanning the major U.S. interstate arteries (east-to-west and north-to-south axes with 250-mile spacing intervals), the total count breaks down into two categories: a minimalist skeleton corridor network versus a fully mature national grid. 1. The Minimalist Transcontinental Skeleton (Corridor-Only Approach) If the goal is restricted strictly to establishing basic cross-country connectivity along major primary freight spines (such as I-10, I-20, I-40, I-70, I-80, and major north-south connectors like I-35 and I-95): Estimated Stations…