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/ MAGLEV MARKETS REMAIN ELUSIVE https://trid.trb.org/View/210733 Wed, 30 Jan 1985 00:00:00 GMT https://trid.trb.org/View/210733 TV AIDS RAILROAD SECURITY FORCES https://trid.trb.org/View/12874 Sun, 13 Dec 1981 00:00:00 GMT https://trid.trb.org/View/12874 LOW-SMOKE CABLE NOW AVAILABLE https://trid.trb.org/View/13134 Sun, 04 Jan 1981 00:00:00 GMT https://trid.trb.org/View/13134 CROSSING SAFETY IMPROVES YEARLY https://trid.trb.org/View/12878 Mon, 13 Dec 1976 00:00:00 GMT https://trid.trb.org/View/12878 SCL USES BIN-LOOP TAPES FOR HB DETS https://trid.trb.org/View/12799 Sun, 14 Nov 1976 00:00:00 GMT https://trid.trb.org/View/12799 CROSSING PROTECTION HAS HIGH INTEREST https://trid.trb.org/View/12840 Sun, 14 Nov 1976 00:00:00 GMT https://trid.trb.org/View/12840 S&C CAN LIVE WITH 50KV, 60 HZ AC https://trid.trb.org/View/12841 Sun, 14 Nov 1976 00:00:00 GMT https://trid.trb.org/View/12841 FCC-RAILROAD STATUS OUTLINED BY THOMAS https://trid.trb.org/View/12842 Sun, 14 Nov 1976 00:00:00 GMT https://trid.trb.org/View/12842 INTERCONNECTION IS VITAL TO RAILROADS https://trid.trb.org/View/12843 Sun, 14 Nov 1976 00:00:00 GMT https://trid.trb.org/View/12843 ELECTRIFICATION HAS IMPACT ON SIGNALING https://trid.trb.org/View/12497 Sat, 31 Jul 1976 00:00:00 GMT https://trid.trb.org/View/12497 ELECTRICAL NOISE: GET IT OUT OF THE SIGNAL PLANT https://trid.trb.org/View/39250 Sat, 24 Jul 1976 00:00:00 GMT https://trid.trb.org/View/39250 THE CASE FOR THE WALKOUT CANTILEVER https://trid.trb.org/View/19345 Thu, 15 Jul 1976 00:00:00 GMT https://trid.trb.org/View/19345 NEW PRIORITY FOR GRADE CROSSING SAFETY https://trid.trb.org/View/19346 Thu, 15 Jul 1976 00:00:00 GMT https://trid.trb.org/View/19346 WANTED: NEW STANDARDS FOR AFO https://trid.trb.org/View/19114 Thu, 10 Jun 1976 00:00:00 GMT https://trid.trb.org/View/19114 AXLE COUNTERS DEFINE BLOCK SECTIONS IN ELECTRIFIED TERRITORY https://trid.trb.org/View/18945 Mon, 26 Apr 1976 00:00:00 GMT https://trid.trb.org/View/18945