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/ ESTIMATION OF NOISE-REDUCING ROAD SURFACES IN AUSTRIA SINCE 1984. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354545 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354545 ALIGNMENT PLANTATIONS. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354546 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354546 BIOLOGICAL ENGINEERING CONSTRUCTION METHODS FOR VEGETATION. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354547 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354547 TRAFFIC RESTRAINT AREAS AND "30 KM/H" ZONES. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354548 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354548 ENVIRONMENTALLY ADAPTED THROUGH ROADS - EFFECT EVALUATION. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354549 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354549 MANAGEMENT FOR SAFE AND EFFICIENT ROAD MAINTENANCE. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354550 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354550 GERSEC- INTEGRATED MANAGEMENT SYSTEM FOR SECONDARY ROAD NETWORKS. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354551 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354551 OBJECTIVES, ACHIEVEMENTS AND PROBLEMS IN SETTING UP AND OPERATING A PAVEMENT MANAGEMENT SYSTEM. DANISH EXPERIENCES. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354552 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354552 CONDITION SURVEY AND EVALUATION IN THE MAINTENANCE MANAGEMENT SYSTEM IN THE FEDERAL REPUBLIC OF GERMANY. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354553 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354553 SOME FUTURE PROSPECTS FOR ROAD MARKINGS IN EUROPE IN THE NEXT DECADE. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354554 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354554 INFLUENCE OF GUIDANCE EQUIPMENT ON THE SAFETY OF TWO-WHEELERS. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354555 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354555 DIFFERENCES BETWEEN STEEL AND CONCRETE CRASH BARRIERS IN ACCIDENTS AND SOME REMARKS CONCERNING A DUTCH CRASH CUSHION. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354556 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354556 THE IMPORTANCE OF USING PROPERLY TESTED, PROVED CRASH CUSHIONS. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354557 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354557 TOWARDS A SCIENTIFIC APPROACH OF WINTER ROAD MAINTENANCE. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354558 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354558 JUDICIAL ASPECTS. PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM: ROAD DEVELOPMENT AND SAFETY, LUXEMBOURG, JUNE 1989 https://trid.trb.org/View/354559 Thu, 28 Feb 1991 00:00:00 GMT https://trid.trb.org/View/354559