Roundabouts 101

Location: Distance Learning Course

DescriptionAmount
2022 - 2023 On-line Individual$ 180.00

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This course is intended to be the starting point for developing the professional skills necessary to be involved in the planning, design and construction of modern roundabouts. In order to achieve this goal, the course will focus on the modern roundabout as defined in a report of the National Cooperative Highway Research Project (NCHRP) of the Transportation Research Board (TRB). This report “Roundabouts: An Informational Guide” is considered as the second edition of the guidelines for roundabout planning, design and construction of the Federal Highway Administration in the US Department of Transportation. The report is referred to as NCHRP Report 672. The instructors suggest that all participants in this course either obtain a hard copy of the report or download it from the TRB website.  As a starting point for a career of professional development, the course will focus on single-lane roundabouts. Three modules of approximately one-hour each have been developed from the material in NCHRP 672. The sequence of the report chapters has been re-arranged in this course to fit the time constraint of each module. Each chapter of the report has been treated as a separate session of the total course content.  Participants, who successfully plan, design or construct their first few single-lane roundabouts, are encouraged to again review NCHRP 672 before they move onto more complex operations. Many of the reference materials in NCHRP 672 give guidelines for adding an additional lane for a particular movement in a roundabout and also for adding more lanes to create a multilane roundabout.


Fee: $180.00
Hours:3.00
CEUs:0.30

Distance Learning Course

Distance Learning Course

W. Martin Bretherton

W. Martin Bretherton Jr. is a registered professional engineer in the State of Georgia, received an Master in Business Administration from Georgia State University and a Bachelor of Civil Engineering from Georgia Institute of Technology. Martin has been very active in the Traffic Engineering profession. He has been the President of the Georgia Section of Institute of Transportation Engineers (ITE), is the 2012 Vice President of the Southern Section of ITE and has been on the Executive Committee of the ITE Safety and Traffic Engineering Council and is a past chair of the Traffic Engineering Council and is a Fellow of the Institute. Martin has published and presented over 20 technical papers with many of them winning technical awards from the Georgia and Southern Section of ITE. He chaired a committee that was awarded the Best Committee Report by ITE. He has served on many panels for NCHRP and chaired two NCHRP research panels. He is listed in Who's Who in Science and Engineering. He has been honored by the Georgia ITE Section with the Karl Bevins Distinguished Service Award and the John D. Edwards Individual Achievement Award from the Georgia Section and the John F. Exnicios Government Service Award from the Southern District of ITE. Mr. Bretherton has worked for the Georgia DOT, the City of Conyers, and retired from the Gwinnett County DOT with 20 years of Service. He presently works for the HNTB Corporation as a Senior Project Manager. He, also, is a Principal of WMB Engineering in Atlanta.


John McCarthy

John R McCarthy, PE, is a Traffic Engineer III, with the City of Montgomery, AL. Mr McCarthy has over 35 years of experience as a traffic engineer, engineering instructor and engineering administrator in state and local governments. In one assignment, he made presentations to local officials for the removal of 100 traffic signals in three cities of one county. He also reviewed the design and did the inspection of 70 upgraded traffic signals in that county. He has written technical reports and newsletter articles on many traffic engineering subjects covering signs, markings, roadway lighting, traffic signals, work zones and safety benefits of alternative geometric improvements. He has conducted seminars and given presentations on asset management, the Internet, roadway markings, roundabouts and work zones. He also written and edited several engineering websites and co-authored a lab manual on computer usage in Civil Engineering. While with the Alabama Highway Department, as it was called then, he was on the editing team of the Alabama MUTCD. He also administered the small town traffic studies and the work zone training program. He assisted in writing a three-volume research report that was published by the Federal Highway Administration.

ometric improvements. He has conducted seminars and given presentations on asset management, the Internet, roadway markings, roundabouts and work zones. He also written and edited several engineering websites and co-authored a lab manual on computer usage in Civil Engineering. While with the Alabama Highway Department, as it was called then, he was on the editing team of the Alabama MUTCD. He also administered the small town traffic studies and the work zone training program. He assisted in writing a three-volume research report that was published by the Federal Highway Administration.

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