Transport Research International Documentation (TRID) https://trid.trb.org/ en-us Copyright © 2026. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Transport Research International Documentation (TRID) https://trid.trb.org/Images/PageHeader-wTitle.jpg https://trid.trb.org/ User's Guide for the Public Use Tapes 1983-1984 Nationwide Personal Transportation Study: Part 1 https://trid.trb.org/View/2582032 Sun, 09 Nov 2025 18:10:11 GMT https://trid.trb.org/View/2582032 User’s Guide for the Public Use Tapes 1983-1984 Nationwide Personal Transportation Study: Part 2 https://trid.trb.org/View/2582033 Sun, 09 Nov 2025 18:10:11 GMT https://trid.trb.org/View/2582033 User's Guide for the Public Use Tapes 1983-1984 Nationwide Personal Transportation Study: Part 3 https://trid.trb.org/View/2582115 Sun, 09 Nov 2025 18:10:11 GMT https://trid.trb.org/View/2582115 Estimates of Variances: Report 10, 1977 NPTS https://trid.trb.org/View/1896779 Sat, 18 Dec 2021 19:48:35 GMT https://trid.trb.org/View/1896779 The Effects of Survey Methodology Changes in the NPTS https://trid.trb.org/View/1896781 Sat, 18 Dec 2021 19:48:35 GMT https://trid.trb.org/View/1896781 1995 NPTS Databook https://trid.trb.org/View/1896797 Sat, 18 Dec 2021 19:48:34 GMT https://trid.trb.org/View/1896797 1977 Nationwide Personal Transportation Study: User's Guide for the Public Use Tapes https://trid.trb.org/View/1856861 Mon, 05 Jul 2021 12:50:30 GMT https://trid.trb.org/View/1856861 Trends in Personal Motor Vehicle Ownership and Use: Evidence from the Nationwide Personal Transportation Survey https://trid.trb.org/View/1531933 Tue, 04 Sep 2018 16:13:31 GMT https://trid.trb.org/View/1531933 1990 Nationwide Personal Transportation Survey: Implications of Emerging Travel Trends, Conference Proceedings https://trid.trb.org/View/1118764 Fri, 21 Oct 2011 07:38:35 GMT https://trid.trb.org/View/1118764 Propensity to Telecommute: Exploring the National Household Travel Survey https://trid.trb.org/View/1091448 Wed, 18 May 2011 11:21:48 GMT https://trid.trb.org/View/1091448 1977 National Personal Transportation Study: Urban/Rural Split of Travel https://trid.trb.org/View/933456 Thu, 16 Sep 2010 12:42:19 GMT https://trid.trb.org/View/933456 1977 Nationwide Personal Transportation Study: Vehicle Occupancy https://trid.trb.org/View/933461 Thu, 16 Sep 2010 12:42:18 GMT https://trid.trb.org/View/933461 1977 Nationwide Personal Transportation Study: Household Travel https://trid.trb.org/View/933457 Thu, 16 Sep 2010 12:42:17 GMT https://trid.trb.org/View/933457 Highway Statistics 2006 https://trid.trb.org/View/860495 Thu, 12 Jun 2008 09:57:17 GMT https://trid.trb.org/View/860495 Applications of TRIMM for Small and Medium Communities https://trid.trb.org/View/804563 Tue, 13 Mar 2007 10:38:53 GMT https://trid.trb.org/View/804563