1. Asst. Prof., Dept. of Civ. and Envir. Engrg., New Jersey Inst. of Technol., Newark, NJ 07102.
2. Transp. Engr., TransCore, 1250 Broadway, 34th Floor, New York, NY 10001.
3. Assoc. Prof., Dept. of Electr. and Comp. Engrg., New Jersey Inst. of Technol., Newark, NJ 07102.