Adams Proj 1 RESEARCH

I found pictograms designed by AIGA designers. The U.S. Dept. of Transportation and the members of the AIGA design committee came up with 50 symbols for travelers (at places like airports, train stations, etc) and to give direction to people at large events.
http://www.aiga.org/symbol-signs/

Below is a pictogram depicting the customs station at travel hubs.