"December 31, 2010."; Includes bibliographical references (p. 114-115).; Final report;; Performed by University of North Carolina at Charlotte, College of Engineering, sponsored by North Carolina Department of Transportation, Research Unit
Annual; Description based on: June 30, 2000.; Report covers fiscal year.; Issued by: Office of the State Controller, Office of Information Technology Services, and Office of State Budget and Management, 2007-; Electronic holdings begin in 2000.