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 […]

In order to encourage bus use, in 1991 the city of Münster, Germany created a poster that compares the space taken by 72 bicycles (left), 72 cars (middle), and a bus (right). This idea is not new. For example, the city of London has made a very similar poster in 1965. Thanks to Will Stahl-Timmins for pointing this out. Sources: Benjamin Starr (2014) How Much Space Do Cars Take? Cyclists Demonstrate How Bicycles Flight Congestion Image from visualnews.com

The visualization explores the direct influence of weather and traffic volume on air pollution, comparing data of a 4-week period during summer 2015 in Lugano (Switzerland). Different colored laser cut plates fixed on wires represent daily data. As the wires are diagonally mounted on the structure, looking from different sides, they evidence either daily data or the evolution of the parameters. Source: Carola Bartsch (2015), Summer in the city