List of Physical Visualizations
and Related Artifacts

Traffic Flow Profiles of the Interregional Highway System

2D area diagrams encoding average daily traffic as height and color are set up along their respective highways on a background map of the US. Background map seems to be a cut-out wooden panel; area diagrams potentially cardboard, or also wood veneer. 

Source: In: Fortune, June 194, pp. 94-95. Original by-line reads "Map by PRA. Photograph by Richard Carver Wood". PRA is presumably the Public Roads Administration (cf. https://en.wikipedia.org/wiki/Federal_Highway_Administration#History). Accessed via https://archive.org/details/fortune23aprluce/page/94 (Last visit: 30 April 2019)



Added by: Till Nagel. Category: Passive physical visualization  Tags: cardboard, cartograpic, map, paper, roads, traffic