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/ CIRCUIT BREAKER AND PROTECTION REQUIREMENTS FOR DC SWITCHGEAR USED IN RAPID TRANSIT SYSTEMS https://trid.trb.org/View/275987 Sat, 28 Aug 2004 04:44:14 GMT https://trid.trb.org/View/275987 PROGRESS OF ELECTRIC TRACTION AT SNCB https://trid.trb.org/View/271447 Thu, 31 Jul 1986 00:00:00 GMT https://trid.trb.org/View/271447 DETECTION OF LOW-CURRENT SHORT CIRCUITS https://trid.trb.org/View/270048 Sat, 30 Nov 1985 00:00:00 GMT https://trid.trb.org/View/270048 NEW CONCEPT FOR PROTECTING LINES AGAINST FAULTS IN DC TRANCTION NETWORKS https://trid.trb.org/View/203735 Tue, 30 Oct 1984 00:00:00 GMT https://trid.trb.org/View/203735 FAULT DETECTION ON DIRECT CURRENT RAPID TRANSIT SYSTEMS https://trid.trb.org/View/18305 Fri, 31 Jul 1981 00:00:00 GMT https://trid.trb.org/View/18305 MODERN PROTECTIVE TECHNIQUES FOR THE WEST GERMAN RAILROAD SYSTEM https://trid.trb.org/View/87010 Wed, 11 Jul 1979 00:00:00 GMT https://trid.trb.org/View/87010 SUBSTATIONS FOR FEEDING THE 60 HZ CONTACT WIRE OF THE KOREAN STATE RAILWAYS https://trid.trb.org/View/79388 Thu, 12 Oct 1978 00:00:00 GMT https://trid.trb.org/View/79388 APPROXIMATE METHOD FOR THE DETERMINATION OF THE CURRENT DISTRIBUTION AND THE STEADY SHORT-CIRCUIT CURRENT IN A DOUBLY FED SEGMENT OF A TWO TRACK ELECTRIC RAILROAD https://trid.trb.org/View/12703 Mon, 18 Oct 1976 00:00:00 GMT https://trid.trb.org/View/12703 THE GROUNDING FAULT CURRENT AND INDUCTIVE INTERFERENCE OF THE ULTRA-HIGH VOLTAGE TRANSMISSION LINE UTILIZING RAILWAY LAND https://trid.trb.org/View/13728 Fri, 15 Feb 1974 00:00:00 GMT https://trid.trb.org/View/13728 DEVELOPMENT OF PROTECTIVE RELAY SYSTEM FOR SHIN KANSEN FEEDING CIRCUIT https://trid.trb.org/View/13730 Fri, 15 Feb 1974 00:00:00 GMT https://trid.trb.org/View/13730