Comsis Corporation (1985). User’s Guide for the 1983 Nationwide Personal Transportation Study Public Use Tapes. United States. Federal Highway Administration. Office of Highway Information Management. https://rosap.ntl.bts.gov/view/dot/85007
Comsis Corporation. User’s Guide for the 1983 Nationwide Personal Transportation Study Public Use Tapes. United States. Federal Highway Administration. Office of Highway Information Management, 1985. https://rosap.ntl.bts.gov/view/dot/85007.
Comsis Corporation User’s Guide for the 1983 Nationwide Personal Transportation Study Public Use Tapes. United States. Federal Highway Administration. Office of Highway Information Management, 1985, ROSA P. https://rosap.ntl.bts.gov/view/dot/85007.
This report is part of a series that presents findings from the 1983-1984 Nationwide Personal Transportation Study (NPTS). This report explains the 1983 NPTS data collection, coding, and tabulation procedures. It includes a section that compares the 1983 Study with the 1969 and 1977 studies and procedures for achieving comparability among the three studies.
Comsis Corporation (1985). User’s Guide for the 1983 Nationwide Personal Transportation Study Public Use Tapes. United States. Federal Highway Administration. Office of Highway Information Management. https://rosap.ntl.bts.gov/view/dot/85007
Comsis Corporation. User’s Guide for the 1983 Nationwide Personal Transportation Study Public Use Tapes. United States. Federal Highway Administration. Office of Highway Information Management, 1985. https://rosap.ntl.bts.gov/view/dot/85007.
Comsis Corporation User’s Guide for the 1983 Nationwide Personal Transportation Study Public Use Tapes. United States. Federal Highway Administration. Office of Highway Information Management, 1985, ROSA P. https://rosap.ntl.bts.gov/view/dot/85007.
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