What design specification was mandated to ensure the system functioned as a high-speed, modern network?

Answer

Grade separation at all intersections

Design specifications mandated features like minimum lane widths, gentle curves, limited grades, and grade separation (overpasses or underpasses) at all intersections to ensure uninterrupted traffic flow.

What design specification was mandated to ensure the system functioned as a high-speed, modern network?

#Videos

The Interstate Highway System - YouTube

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