Running costs of motor vehicles as affected by road design -and traffic / Paul J. Claffey.
Claffey, Paul J.
Running costs of motor vehicles as affected by road design -and traffic / Paul J. Claffey. - Washington, D.C. : HRB - 97 p. - Report / Highway Research Board ; 111 .
Running costs of motor vehicles as affected by road design -and traffic / Paul J. Claffey. - Washington, D.C. : HRB - 97 p. - Report / Highway Research Board ; 111 .