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/ USE OF THE ELECTRONIC COMPUTER IN THE DESIGN OF THE ELECTRIC CENTRAL ROUTING CONTROL POINT: FIRST PHASE--DEFINITION OF THE TABLE OF INCOMPATIBILITIES BETWEEN THE ROUTINGS https://trid.trb.org/View/167660 Fri, 12 Jun 1981 00:00:00 GMT https://trid.trb.org/View/167660 RAILROAD ACCIDENT REPORT--COLLISION OF PORT AUTHORITY OF ALLEGHENY COUNTY TROLLEY CAR NO. 1790 AND BUS NO. 2413, PITTSBURGH, PENNSYLVANIA, FEBRUARY 10, 1978 https://trid.trb.org/View/81351 Fri, 27 Feb 1981 00:00:00 GMT https://trid.trb.org/View/81351 RAILROAD ACCIDENT REPORT - HEAD-END COLLISION OF AMTRAK TRAIN NO. 392 AND ICG TRAIN NO. 51, HARVEY, ILLINOIS, OCTOBER 12, 1979 https://trid.trb.org/View/150906 Wed, 27 Aug 1980 00:00:00 GMT https://trid.trb.org/View/150906 ON THE ANALYSIS OF RAIL SWITCH INTERLOCK https://trid.trb.org/View/79368 Thu, 12 Oct 1978 00:00:00 GMT https://trid.trb.org/View/79368 THE EFFECT OF POINT BLADE JOGGLE ON POSITION AND RESISTANCE TO THROWING https://trid.trb.org/View/73905 Wed, 19 Jul 1978 00:00:00 GMT https://trid.trb.org/View/73905 NEW MANUAL DEVICE FOR LOCKING POINTS https://trid.trb.org/View/45920 Tue, 13 Jul 1976 00:00:00 GMT https://trid.trb.org/View/45920 REFINEMENT OF THE TECHNIQUE OF SIGNAL BOX MAINTENANCE https://trid.trb.org/View/36837 Wed, 07 Apr 1976 00:00:00 GMT https://trid.trb.org/View/36837 BIBLIOGRAPHY -- NEW YARD TECHNIQUES https://trid.trb.org/View/9870 Sun, 04 Jan 1976 00:00:00 GMT https://trid.trb.org/View/9870