Samenvatting
TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 93 is the technical appendix to NCHRP Report 571: Standardized procedures for personal travel surveys, which explores the aspects of personal travel surveys that could be standardized with the goal of improving the quality, consistency, and accuracy of the resulting data. (Author/publisher) This report may be accessed by Internet users at http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_w93.pdf