1 online resource (xiv, 79 p.) : digital, PDF file (4 MB) with col. ill., col. charts, col. maps.
Type Of Report
Final report; June 2006-Dec. 2007.
Title from PDF title screen (viewed on April 21, 2011).
Includes bibliographical references (p. 79).
"Report no. FMCSA-RRT-09-007."
Mode of access: World Wide Web.
Text document in PDF format.
Performed by Oakridge National Laboratory Center for Transportation Analysis; sponsored by Federal Motor Carrier Safety Administration, Office of Analysis, Research and Technology, contract no. DTMC75-03-X-00047/Mod 9.