Consider the poster introducing the signage system for the U.S. Department of Transportation, by Cook and Shanosky. Evaluate this poster as an example of graphic design. How do these signage symbols work to communicate clearly across language barriers? How does the poster itself present these symbols effectively?

What will be an ideal response?

The poster was designed to communicate essential information across language barriers to international travelers, by employing symbols that were universally recognizable images to direct travelers to transportation, communication, lodging, and other key facilities.