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/ VISUAL MOTION PERCEPTION https://trid.trb.org/View/39797 Tue, 29 Jul 1975 00:00:00 GMT https://trid.trb.org/View/39797 PLANE COORDINATES FOR ENGINEERING AND CADASTRAL SURVEYS https://trid.trb.org/View/92595 Tue, 16 Jul 1974 00:00:00 GMT https://trid.trb.org/View/92595 COORDINATE SYSTEMS FOR SURVEYING AND MAPPING https://trid.trb.org/View/92596 Tue, 16 Jul 1974 00:00:00 GMT https://trid.trb.org/View/92596 FEDERAL MAPPING AND A NATIONAL GRID https://trid.trb.org/View/92598 Tue, 16 Jul 1974 00:00:00 GMT https://trid.trb.org/View/92598 PERSPECTIVE TEMPLATE FOR PHOTOGRAPHIC MAPPING OF EVIDENCE https://trid.trb.org/View/115297 Mon, 05 Jun 1972 00:00:00 GMT https://trid.trb.org/View/115297 DESIGNING NEW PAVEMENT ARROWS USING A PERSPECTIVE METHOD https://trid.trb.org/View/117007 Mon, 05 Jun 1972 00:00:00 GMT https://trid.trb.org/View/117007