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/ GAP ANALYSIS. BUS SIGNAGE GUIDELINES FOR PERSONS WITH VISUAL IMPAIRMENTS: ELECTRONIC SIGNS https://trid.trb.org/View/707218 Sat, 20 Apr 2002 00:00:00 GMT https://trid.trb.org/View/707218 THE SAFETY WARNING SYSTEM: AN IN-VEHICLE SIGNING SYSTEM USING AN EXISTING INFRASTRUCTURE OF 10 TO 20 MILLION VEHICULAR RECEIVERS https://trid.trb.org/View/473997 Wed, 03 Dec 1997 00:00:00 GMT https://trid.trb.org/View/473997 BUS ROUTE GUIDANCE INFORMATION DESIGN: A MANUAL FOR BUS AND LIGHT RAIL TRANSIT SYSTEMS - SECOND EDITION, INCORPORATES ADA GUIDELINES https://trid.trb.org/View/466701 Mon, 10 Feb 1997 00:00:00 GMT https://trid.trb.org/View/466701 EXPERIMENTAL COMPARISON BETWEEN DIFFERENT TYPES OF IN-CAR NAVIGATION INFORMATION https://trid.trb.org/View/361339 Fri, 31 Jan 1992 00:00:00 GMT https://trid.trb.org/View/361339 THE FEDERAL AIRWAY SYSTEM https://trid.trb.org/View/49268 Wed, 28 Sep 1977 00:00:00 GMT https://trid.trb.org/View/49268 RESEARCH ON ROUTE DIVERSION PARAMETERS https://trid.trb.org/View/32107 Mon, 29 Mar 1976 00:00:00 GMT https://trid.trb.org/View/32107