DC had a rather powerful lobby that tried to prevent building highways, particularly inside the District's limits, so very little got built in the DC-controlled areas (like the southeast).
The west was in Virginia and didn't face nearly as much opposition. 50 years later, the economic growth has been concentrated in Virginia where adequate transportation facilities were built.
The west was in Virginia and didn't face nearly as much opposition. 50 years later, the economic growth has been concentrated in Virginia where adequate transportation facilities were built.