<rss version="2.0" xmlns:atom="https://www.w3.org/2005/Atom">
  <channel>
    <title>Transport Research International Documentation (TRID)</title>
    <link>https://trid.trb.org/</link>
    <atom:link href="https://trid.trb.org/Record/RSS?s=PHNlYXJjaD48cGFyYW1zPjxwYXJhbSBuYW1lPSJkYXRlaW4iIHZhbHVlPSJhbGwiIC8+PHBhcmFtIG5hbWU9InN1YmplY3Rsb2dpYyIgdmFsdWU9Im9yIiAvPjxwYXJhbSBuYW1lPSJ0ZXJtc2xvZ2ljIiB2YWx1ZT0ib3IiIC8+PHBhcmFtIG5hbWU9ImxvY2F0aW9uIiB2YWx1ZT0iMCIgLz48L3BhcmFtcz48ZmlsdGVycz48ZmlsdGVyIGZpZWxkPSJpbmRleHRlcm1zIiB2YWx1ZT0iJnF1b3Q7RHJhZnRpbmcmcXVvdDsiIG9yaWdpbmFsX3ZhbHVlPSImcXVvdDtEcmFmdGluZyZxdW90OyIgLz48L2ZpbHRlcnM+PHJhbmdlcyAvPjxzb3J0cz48c29ydCBmaWVsZD0icHVibGlzaGVkIiBvcmRlcj0iZGVzYyIgLz48L3NvcnRzPjxwZXJzaXN0cz48cGVyc2lzdCBuYW1lPSJyYW5nZXR5cGUiIHZhbHVlPSJwdWJsaXNoZWRkYXRlIiAvPjwvcGVyc2lzdHM+PC9zZWFyY2g+" rel="self" type="application/rss+xml" />
    <description></description>
    <language>en-us</language>
    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
    <docs>http://blogs.law.harvard.edu/tech/rss</docs>
    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
    <image>
      <title>Transport Research International Documentation (TRID)</title>
      <url>https://trid.trb.org/Images/PageHeader-wTitle.jpg</url>
      <link>https://trid.trb.org/</link>
    </image>
    <item>
      <title>Experimental Projects for Designing Highway Using CAD</title>
      <link>https://trid.trb.org/View/2160393</link>
      <description><![CDATA[Design drawings are very important in road projects. Realization of the Construction CALS concept requires converting paper drawings into electronic form according to a standard. It is generally believed that such a standard should be based on ISO10303, but there is as yet no practical standard in the construction industry. A study has been undertaken since fiscal year 1997, therefore, on specifications for CAD-based drafting to create an environment in which drawings can be shared in order to increase the efficiency of work by making effective use of CAD data. This paper reports on a provisional manual, "CAD-based Drafting Procedures (Tentative Draft)" drawn up for bridge and road design as well as on the results of field experiments conducted to evaluate the manual.]]></description>
      <pubDate>Sat, 07 Mar 2026 16:05:42 GMT</pubDate>
      <guid>https://trid.trb.org/View/2160393</guid>
    </item>
    <item>
      <title>Artificial Intelligence Combined with UAVs Is Set to Increase Drafting Efficiency in Engineering and Surveying</title>
      <link>https://trid.trb.org/View/1735546</link>
      <description><![CDATA[Unmanned aerial vehicles have been at the center of innovation in surveying and engineering. However, adoption has been slow due to concerns over accuracy, along with complexities of managing aerial data. In order to see improvements in both accuracy and data processing, the industry needs to continue to explore new approaches. Artificial intelligence (AI) has significant potential to advance the profession in making sense of massive amounts of aerial data and answer to its request for automation. In a recent industry study, over 50% of the respondents mentioned that “lack of automation” is their number one pain point and desire that technology can address in the future. This paper describes the capabilities and limitations of AI applied to surveying, informed by the development of the AirWorks software, and the first tool that creates CAD drawings autonomously by extracting features of aerial images. It demonstrates significant time savings, and how these can be overcome collaboratively going forward.]]></description>
      <pubDate>Tue, 01 Sep 2020 15:57:19 GMT</pubDate>
      <guid>https://trid.trb.org/View/1735546</guid>
    </item>
    <item>
      <title>Analysis of Wave Resonance in Gap between Two Heaving Barges</title>
      <link>https://trid.trb.org/View/1404942</link>
      <description><![CDATA[A numerical wave tank based on the fully-nonlinear potential-flow theory is built to simulate water wave radiations by floating barges. An approach from the free sloshing model is proposed to predict dominant resonance frequencies of the liquid motion in the gap between two barges. The effectivity of this approach is verified through the ‘response amplitude operator’ (RAO) analysis. Then, the approach is applied to investigate wave resonances of the gap liquid. In the first series of case studies, two identical barges are considered. Effects of the barge distance and draft on the gap resonance are investigated. It is found that, as the gap distance grows from narrow to wide, the dominant resonance may transfer from the piston type to the sloshing type. As the barge draft decreases, this transfer would emerge earlier. The second series of case studies concern two different barges in a close proximity. It is found that the relative breadth of two barges has minor effects on the resonance frequency, but affects RAOs at resonance evidently. The relative barge draft has a strong effect on resonance frequencies.]]></description>
      <pubDate>Fri, 29 Apr 2016 09:32:10 GMT</pubDate>
      <guid>https://trid.trb.org/View/1404942</guid>
    </item>
    <item>
      <title>Best Practices of MDOT's Survey Operation, Organization and Technology Implementation</title>
      <link>https://trid.trb.org/View/1352331</link>
      <description><![CDATA[A critical activity performed by employees of the Mississippi Department of Transportation (MDOT) is surveying. Surveying in some instances needs to be performed in hazardous environments such as rugged terrain and high-speed traffic. New surveying technologies [e.g., Global Positioning System (GPS)] are increasingly being adopted by surveying units of departments of transportation around the nation, because it has demonstrated increased efficiency and cost savings in topographical surveys (Uddin 2008, Hall 2006, Krugler 2006, NCHRP2004, MDOT2002). MDOT employees use a wide range of surveying methods and technologies throughout the state. Surveying operations vary within MDOT from manual conventional surveying technology requiring large numbers of field personnel to GPS and robotic technologies that are faster and require fewer employees to deploy. The technology, methodology, standards, quality controls and delivered results of these surveying operations need to be cataloged and evaluated to determine the best operational approach to use for the range of surveying operations employed by MDOT. In addition, surveying at the district level within MDOT is organized in many different ways. For example, in some districts surveying teams are centralized with most jobs filled by the main office while in other districts surveying tasks are spread among numerous field offices. These organizational strategies need to be studied to determine the most efficient organizational model/process for MDOT surveying operations. Some MDOT locations have embraced modern surveying technologies such as GPS RTK systems, robotic total stations, automated field data collection and CADD modeling procedures with great success. Others have been slower to adopt the newest technology and have had less success in field deployment. A study is needed to determine the best adoption strategies including potentially targeted training, field demonstration, new equipment, phase in strategy and computerized work flow for most effectively rolling out new surveying technologies (ex: GPS) to all MDOT districts. The overall goal of this project was to evaluate the surveying processes throughout MDOT to move toward providing electronic 3D surveys, improve accuracy and increase efficiency in MDOT survey efforts. This goal was achieved by targeting each district office to determine: (1) Best operational approach to use a range of surveying technologies, (2) Most effective organizational model/process to best utilize the newest surveying technologies; and (3) Best roll-out strategy which will help MDOT districts move to the most efficient surveying technology.]]></description>
      <pubDate>Tue, 05 May 2015 15:45:26 GMT</pubDate>
      <guid>https://trid.trb.org/View/1352331</guid>
    </item>
    <item>
      <title>Three-Truck Automated Platoon Testing</title>
      <link>https://trid.trb.org/View/1329137</link>
      <description><![CDATA[Tests of an automated platoon of tractor trailer trucks show that automated vehicle following in a platoon can be done using dedicated short range communications (DSRC) for vehicle-to-vehicle coordination at its standard update interval. Tests also demonstrated the potential fuel consumption savings associated with aerodynamic drafting.]]></description>
      <pubDate>Wed, 26 Nov 2014 16:01:33 GMT</pubDate>
      <guid>https://trid.trb.org/View/1329137</guid>
    </item>
    <item>
      <title>Feasibility Test of CADD Webmenus</title>
      <link>https://trid.trb.org/View/1119050</link>
      <description><![CDATA[The Arizona Department of Transportation (ADOT) initiated SPR Project 683: CADD Webmenus Feasibility Study to conduct a proof-of-concept test of Web-based CADD menus for ADOT agency-wide CADD applications. ADOT is currently interested in the feasibility of using Webmenus to solve various problems associated with its current CADD menu system. This research gives ADOT the necessary testing results and information it needs to incorporate Webmenus into the workflow of its CADD drafting and design staff, while also disseminating the Webmenus to the consultant community’s CADD users who are required to use ADOT CADD standards. To present CADD standards in an easily accessible and simplified format, it is necessary to use CADD menus. ADOT’s current menu system is a challenge for ADOT support staff to effectively support and maintain. This has led to development of multiple menus in multiple locations, which compounds the difficulty of maintaining them. Additionally, the current ADOT CADD menu system was developed in a proprietary programming language (MDL™) which is version specific and requires compilation from various source files to be executed. The successful development of Webmenus for use by ADOT staff and consultants would provide them a single, readily accessible menu system that had a single point of reference for all ADOT CADD standards. The basic challenge of developing and implementing a Web-based menu system is company firewall policies that restrict Web site activity and “back door” file transfer. This challenge can be overcome with adjustments to the CADD Webmenus that facilitate commands that do not require back door file transfer. CADD Webmenus may also offer a solution to the current ADOT problem of multiple menus developed in outdated code and distributed without ensuring the latest revision of the menu system. With the amount of design drafting work being sub-contracted out (approx. 90%), simplifying and distributing a single menu system via the Internet is a logical solution.]]></description>
      <pubDate>Fri, 21 Oct 2011 07:38:35 GMT</pubDate>
      <guid>https://trid.trb.org/View/1119050</guid>
    </item>
    <item>
      <title>Promoting Efficient Use of Visualization Tools through Education</title>
      <link>https://trid.trb.org/View/907030</link>
      <description><![CDATA[Three-dimensional visualization is getting increasingly popular. However, for realizing the full benefits of information technology (IT), we need to go beyond visualization and adopt modeling techniques that allow reuse of information for other tasks in the project life cycle. Already it is possible to use visualization models for tasks such as simulation. However, widespread use of these integrated systems is hindered by the lack of education in the fundamentals of IT in the engineering curriculum. This paper analyzes the dependencies between concepts related to visualization and lists a minimum set of topics that should be part of the curriculum. Experiences in teaching these in a new course module related to visualization are described. Feedback data collected shows that most students appreciated the use of IT tools in education. However, comments by many students indicated inherent problems related to IT and visualization. Nevertheless, it is expected that when more universities start teaching fundamentals we should see more IT adoption in the industry.]]></description>
      <pubDate>Mon, 28 Dec 2009 07:33:13 GMT</pubDate>
      <guid>https://trid.trb.org/View/907030</guid>
    </item>
    <item>
      <title>CADD Standard</title>
      <link>https://trid.trb.org/View/870858</link>
      <description><![CDATA[The Idaho Transportation Department (ITD) Computer Aided Drafting and Design Standards and Procedures Manual (CADD Standards Manual) is intended to outline the use of Idaho Transportation Department's (ITD) corporate workspace and Bentley System's MicroStation V8 XM Edition and InRoads V8 XM Edition, as well as other tools and procedures developed internally. Following these standards will help to unify the appearance of drawings included in plan sets and facilitate the exchange of information between ITD districts and sections as well as consultants working on ITD projects. The ITD CADD Standards Manual will address issues such as software, standards, tools, and procedures which will aid in the efficient, consistent production of ITD plan sets. This manual and the electronic resource files contained in the ITD workspace are intended to be used by both ITD internal design sections and the consulting firms doing business with ITD. Phase I of the CADD Standards project began in 2005 with the development of electronic resource and configuration files and the creation of an ITD Corporate Workspace. The project was implemented in March of 2007, coinciding with the release of Bentley's V8 XM Edition of software. User training was provided and existing projects were updated at that time.  In the initial phase of this project the Project Development disciplines were emphasized. The goal over time is to continue the standards project by addressing each of the specialty groups within ITD as well as providing continued enhancement of the current configuration by continually updating software and adding to ITD's Workspace configuration, workflows, and training programs. Ultimately, the CADD Standards project will create a complete electronic project delivery and archival system beginning with Planning and continuing through Construction and Maintenance. The combination of software, workspace, and workflows will allow all users to work together in the most efficient and productive environment possible. Updating of the manual is intended to be a continuous process and revisions will be issued regularly in conjunction with the release of the ITD Design Manual updates. The current workspace version can be obtained by going to the “About _ITD_Workspace” folder in the Corporate Workspace and accessing the “Readme_WhatsNew” file.]]></description>
      <pubDate>Wed, 24 Sep 2008 10:38:16 GMT</pubDate>
      <guid>https://trid.trb.org/View/870858</guid>
    </item>
    <item>
      <title>Approaches to Improving the Quality of Construction Drawings from Owner's Perspective</title>
      <link>https://trid.trb.org/View/803130</link>
      <description><![CDATA[Members of the construction project team (e.g., owner, designer, and contractor) have increasingly become more interested in and concerned about improving communications, coordination, and cooperation during the drawing and specification development process. The current use of black and white construction drawings is not the best tool to permit designers and contractors to communicate efficiently and accurately. This study examines methods to improve the quality of drawing clarity through the use of color drawings and other technologies. A survey was used to collect feedback from designers to better understand the current challenges faced and potential solutions. An analysis of the survey results revealed the best approaches in the construction industry to improve drawing readability, and includes: (1) Using colored drawings, (2) improving design details, (3) reviewing drawings and specifications for consistency, and (4) using more three-dimensional (3D) modeling techniques. An example is presented that compares the traditional two-dimensional black and white drawing of a bridge pier with a 3D gray-shaded drawing.]]></description>
      <pubDate>Thu, 01 Mar 2007 11:00:53 GMT</pubDate>
      <guid>https://trid.trb.org/View/803130</guid>
    </item>
    <item>
      <title>Construction Scheduling and Progress Control Using Geographical Information Systems</title>
      <link>https://trid.trb.org/View/792597</link>
      <description><![CDATA[Traditional scheduling and progress control techniques such as bar charts and the critical path method (CPM) fail to provide information pertaining to the spatial aspects of a construction project. A system called PMS-GIS (Progress Monitoring System with Geographical Information Systems) was developed to represent construction progress not only in terms of a CPM schedule but also in terms of a graphical representation of the construction that is synchronized with the work schedule. In PMS-GIS, the architectural design is executed using a computer-aided drafting (CAD) program (AutoCAD), the work schedule is generated using a project management software (P3), the design and schedule information (including percent complete information) are plugged into a GIS package (ArcViewGIS), and for every update, the system produces a CPM-generated bar chart alongside a 3D rendering of the project marked for progress. The GIS-based system developed in this study helps to effectively communicate the schedule/progress information to the parties involved in the project, because they will be able to see in detail the spatial aspects of the project alongside the schedule.]]></description>
      <pubDate>Tue, 07 Nov 2006 11:49:12 GMT</pubDate>
      <guid>https://trid.trb.org/View/792597</guid>
    </item>
    <item>
      <title>Automation: From Bridge Design to Contract Drawings</title>
      <link>https://trid.trb.org/View/789600</link>
      <description><![CDATA[This paper is written to introduce the Pennsylvania Department of Transportation’s (PENNDOT) Bridge Automated Design and Drafting Software (BRADD Version 3.1.0) to the bridge design community. BRADD is a computer software program developed to automate the highway bridge design process from problem definition through contract drawing development for typical single span bridges in Pennsylvania. The purpose and reasons for developing this software will be stated and explained. User input and guidance during both development and maintenance will be addressed. The description of the capabilities, functionality, assumptions, and limitations will be presented along with an overview of the Windows-based Graphical User Interface (GUI). Upon review of this paper, the bridge design community, especially in Pennsylvania, should have the necessary information and understanding to determine if BRADD is a design tool that can significantly assist them in their design of single span highway bridges.]]></description>
      <pubDate>Fri, 29 Sep 2006 10:38:29 GMT</pubDate>
      <guid>https://trid.trb.org/View/789600</guid>
    </item>
    <item>
      <title>Mixed Reality-Based Visualization Interfaces for Architecture, Engineering, and Construction Industry</title>
      <link>https://trid.trb.org/View/767397</link>
      <description><![CDATA[Varied computing devices and automated sensors will enable new human-computer interface paradigms for interacting with digitally managed project information. The writers therefore propose the development of Mixed Reality (MR)-based computer interfaces, and especially Augmented Reality systems, for the architecture, engineering, and construction industry and describe the technologies and principles for applying such computer interfaces to support all phases of the constructed facility project life cycle. An Augmented Reality computer-aided drawing prototype is described as an experimental platform to study the human factors issues in interacting with Augmented Reality three-dimensional digital design models. Two critical research needs are cited for realizing effective Augmented Reality systems: (1) human factors research for development of visualization tools to enhance design comprehension and support collaborative work, and (2) the development of a technology infrastructure for "augmented" control and inspection interfaces to directly access digital project plan and site information that may be spatially referenced and displayed in the field. Research should be geared to advance knowledge regarding spatial cognition, human-computer interfaces, and computer-mediated human-to-human interactions, and it should address application of MR to all phases of the project life cycle.]]></description>
      <pubDate>Sat, 03 Dec 2005 20:32:02 GMT</pubDate>
      <guid>https://trid.trb.org/View/767397</guid>
    </item>
    <item>
      <title>THE REALITIES OF COMPUTER-AIDED DESIGN AND DRAFTING</title>
      <link>https://trid.trb.org/View/271094</link>
      <description><![CDATA[With the advent of computer-aided design and drafting (CADD), roadway organizations involved in construction design and drafting are faced with a dilemma.  On the one hand, organizations without CADD capabilities will eventually become unable to keep up with those that do have CADD.  On the other hand, CADD systems are extremely complex and expensive.  Smaller organizations (less than 50 people) unable to very readily justify an expensive CADD system may be tempted to use a low-initial-cost microcomputer-based software system.  However, in the long term, the implementation costs of adopting such a system to the sophisticated requirements of CADD may eventually obviate any initial savings over a minicomputer-based system.  One possible solution is phase into CADD by starting with a time-shared or a micro-based system and then, when these have reached their limits, converting to a comparable mini-based CADD system.]]></description>
      <pubDate>Fri, 27 Aug 2004 22:00:25 GMT</pubDate>
      <guid>https://trid.trb.org/View/271094</guid>
    </item>
    <item>
      <title>COMPUTER-AIDED DESIGN AND DRAFTING</title>
      <link>https://trid.trb.org/View/271093</link>
      <description><![CDATA[Computer-aided design and drafting (CADD) is the process of interacting with a computer and graphic images to produce drawings of a design, with productivity improvements possible from: faster placement of standard and repeated symbols; faster changes during initial drawing creation; rapid placement of notes; rapid creation of detail sheets; automatic creation of bills of materials, cross-section and profiles; and finalizing drawings created by engineering computation programs that may have to be manually traced then finalized.  A CADD system can have many benefits. Accurate, up-to-date and high-quality drawings can be produced.  For the many user groups in the roadway industry, these drawings can be redrawn in several scales and details at a dramatic reduction in time and cost.  Similarly, the cost of maintaining and storing drawings is considerably less.  Surveys sponsored by the TRB Committee on Computer Graphics and Interactive Computing of state DOTs using CADD systems have found that productivity ratio averages (manual time: CADD time) for major applications were about 3:1. 3:1.]]></description>
      <pubDate>Fri, 27 Aug 2004 22:00:25 GMT</pubDate>
      <guid>https://trid.trb.org/View/271093</guid>
    </item>
    <item>
      <title>TASK 1 - FINAL REPORT - FOR DEVELOPMENT OF A BRIDGE AUTOMATED DESIGN AND DRAFTING SYSTEM (BRADD-2)</title>
      <link>https://trid.trb.org/View/267676</link>
      <description><![CDATA[This report documents the findings and recommendation of Task #1 of the subject research project.  The objective of this task was to investigate the feasibility of developing an automated bridge design and drafting system and demonstrate its success by designing a software system capable of performing computer-aided design and drafting of certain simple span bridges.  This involves the interfacing of new or existing analytical computer programs with computer-aided graphics display technology.  The software design required evaluation of existing analytical programs as well as state-of-the-art applications of CADD in Bridge Designs.  In addition, analysis of hardware requirements was made.  While not designing a new hardware configuration, some necessary modifications and additions to existing hardware have been recommended.  Thus, the system will be able to utilize current or PA DOT proposed hardware configuration most efficiently.  (Author)]]></description>
      <pubDate>Fri, 27 Aug 2004 21:25:52 GMT</pubDate>
      <guid>https://trid.trb.org/View/267676</guid>
    </item>
  </channel>
</rss>