Transport Research International Documentation (TRID) https://trid.trb.org/ en-us Copyright © 2024. 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/ Comparing the effects of vegetation-control methods https://trid.trb.org/View/1177130 Fri, 24 Aug 2012 01:20:16 GMT https://trid.trb.org/View/1177130 Preparing bridges for heavier loads https://trid.trb.org/View/1174763 Thu, 23 Aug 2012 23:43:10 GMT https://trid.trb.org/View/1174763 Monitoring crossing conditions https://trid.trb.org/View/1174302 Thu, 23 Aug 2012 23:31:47 GMT https://trid.trb.org/View/1174302 Improving grade crossing materials and designs https://trid.trb.org/View/1174301 Thu, 23 Aug 2012 23:31:46 GMT https://trid.trb.org/View/1174301 Grade crossing surfaces and warning devices https://trid.trb.org/View/1172510 Thu, 23 Aug 2012 22:27:41 GMT https://trid.trb.org/View/1172510 Looking at optical rail-measurement systems https://trid.trb.org/View/1167544 Thu, 23 Aug 2012 18:57:35 GMT https://trid.trb.org/View/1167544 Testing the effects of wheel impact loads on bridges https://trid.trb.org/View/1167167 Thu, 23 Aug 2012 18:44:06 GMT https://trid.trb.org/View/1167167 Heavy-axle-load effects on bridges https://trid.trb.org/View/1166636 Thu, 23 Aug 2012 18:24:24 GMT https://trid.trb.org/View/1166636 The National Railroad Construction and Maintenance Association, Inc: 1997 membership directory and railroad and transit buyer's guide https://trid.trb.org/View/1166115 Thu, 23 Aug 2012 17:48:42 GMT https://trid.trb.org/View/1166115 Wheel- and rail-profile effects on the vehicle track system: optimum wheel and rail profiles are keys to maximizing performance https://trid.trb.org/View/1166114 Thu, 23 Aug 2012 17:48:41 GMT https://trid.trb.org/View/1166114 Where the rail meets the road: grade crossings https://trid.trb.org/View/1165212 Thu, 23 Aug 2012 16:46:47 GMT https://trid.trb.org/View/1165212 Advances in rail-flaw detection https://trid.trb.org/View/1165017 Thu, 23 Aug 2012 16:38:06 GMT https://trid.trb.org/View/1165017 Surfaces hold up well under heavy traffic: wood, concrete, rubber and plastic offer distinct advantages to railroaders trying to keep crossing surfaces smooth https://trid.trb.org/View/1161428 Thu, 23 Aug 2012 09:41:30 GMT https://trid.trb.org/View/1161428 Close-up look at bridge inspection: inspecting bridges today involves both technology and a hands-on approach https://trid.trb.org/View/1161427 Thu, 23 Aug 2012 09:41:29 GMT https://trid.trb.org/View/1161427 Firming up soft subgrades: asphalt and geotextiles are among the possible solutions railroaders are using to combat the never-ending problems caused by soft subgrade https://trid.trb.org/View/1161426 Thu, 23 Aug 2012 09:41:28 GMT https://trid.trb.org/View/1161426