Transportation Department, University Transportation Centers Program, Washington, D.C.http://deepblue.lib.umich.edu/bitstream/2027.42/1121/2/48532a26.0001.001.pd
Federal Motor Carrier Safety Administration, Washington, D.C.University of Michigan, Ann Arbor, Tran...
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Federal Highway Administration, Office of Motor Carriers, Washington, D.C.http://deepblue.lib.umich....
Michigan State Office of Highway Safety Planning, East LansingFederal Highway Administration, Washin...
Transportation Department, University Transportation Centers Program, Washington, D.C.http://deepblu...
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
American Automobile Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream...
Michigan State Office of Highway Safety Planning, East Lansinghttp://deepblue.lib.umich.edu/bitstrea...
American Automobile Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream...
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Federal Motor Carrier Safety Administration, Washington, D.C.University of Michigan, Ann Arbor, Tran...
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Federal Highway Administration, Office of Motor Carriers, Washington, D.C.http://deepblue.lib.umich....
Michigan State Office of Highway Safety Planning, East LansingFederal Highway Administration, Washin...
Transportation Department, University Transportation Centers Program, Washington, D.C.http://deepblu...
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
American Automobile Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream...
Michigan State Office of Highway Safety Planning, East Lansinghttp://deepblue.lib.umich.edu/bitstrea...
American Automobile Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream...
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Federal Motor Carrier Safety Administration, Washington, D.C.University of Michigan, Ann Arbor, Tran...
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....
Motor Vehicle Manufacturers Association, Detroit, Mich.http://deepblue.lib.umich.edu/bitstream/2027....