Sketches of the Route

Washington Circle Rendering

Washington Circle near the current Foggy Bottom Metro Station. 

Inner Loop Rendering in Northeast

Intersection of Florida Ave NE and West Virginia Ave NE near Gallaudet University

The above renderings are from the aforementioned 1955 report and show a highway system that would have taken over city blocks in some places and reduced pedestrian accessibility. Below are two renderings that should look familiar, as they are similar to some of the completed portions of the Inner Loop located at the current Southwest Freeway. 

Rendering of Inner Loop Highway

Style of highway and overpass now located at the Southwest Freeway and 7th Street NW

Washington Channel Rendering

View of the future Southwest Freeway connecting from the Potomac River