Key transportation indicators: summary of a workshop
Auteur :
National Research Council / Division of Behavioral and Social Sciences and Education / Committee on National Statistics
Éditeur :
National Academies Press
ISBN :
9780309084642
Date de publication :
17 juin 2002
Dimensions :
22,9 x 15,2 cm
Langue :
Anglais
Pays d'origine :
USA
A transportation indicator is a measure of change over time in the transportation system or in its social, economic, environmental, or other effects.