Dear All: "Can anybody please define the term "Circulation Area" in transportation or urban planning?" Thank you much. Jongho Rhee, Ph.D. Associate Professor Dept. of Urban & Transportation Engineering Kyonggi University Seoul and Suwon South Korea Tel) +82-331-249-8761 Fax) +82-331-255-5915 E-mail) jhrhee at kuic.kyonggi.ac.kr