Proceedings for 5th International Conference on Roundabouts

 

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MONDAY MAY 8, 2017

 

Welcome and Opening Remarks

Welcome and Remarks from the TRB Roundabout Committee

 

Poster Session 1  –  See  Full List of Poster Presenters

 

Session 2A

FHWA TOPR Research Updates

Moderator:  Jeff Shaw, Federal Highway Administration

 

Evaluation of Rectangular Rapid Flashing Beacons at Multilane Roundabouts, Crosswalk Placement, and Environmental Characteristics

   Bastian Schroeder, Kittelson & Associates, Inc.

 

Review of Fatal and Severe Injury Crashes and Evaluation of Geometric Parameters that Affect Truck Stability

   Hermanus Steyn, Kittelson & Associates, Inc.

 

Update of Highway Capacity Manual Capacity Models and Evaluation of Traffic Control Device Effectiveness

   Lee Rodegerdts, Kittelson & Associates, Inc.

 

Session 2B

Trucks

Moderator: Bill Wondrachek, Wisconsin DOT

 

Trucking Industry Perspective of Roundabouts - Case 1, Case 2, and Case 3 Discovery

   Jay VonAhsen, MSA/Ourston

 

Effects of Presence of Vehicles in Adjacent Entry Lane on GAP Acceptance Behavior at Roundabouts with Two-Lane Entry

   Chris Lee, University of Windsor

 

Driving behavior of large vehicles in the roundabout of snow conditions

   Kazunori Munehiro, CERI

 

Session 2C

Gap Analysis

Moderator:  Mark Lenters, MSA/Ourston

 

Effects of Presence of Vehicles in Adjacent Entry Lane on Gap Acceptance Behavior at Roundabouts with Two-Lane Entry

Chris Lee, University of Windsor

 

Critical Gaps and Follow-up Headways at Congested Roundabouts

Beau Burdett, UW-Madison TOPS Lab

 

University Avenue Roundabout Corridor - San Diego

Phil Rust, City of San Diego

 

Lunch with Speakers

Randy Asman and Paul Vraney, Wisconsin DOT

David Noyce, University of Wisconsin - Madison

 

Conference Gold Patron - Rahmi Akcelik

 

 

Session 3A

Synthesis and NCHRP Study SPF’s

Moderator:  David Henkel, CHA Consulting, Inc.

 

NCHRP Project 17-70 Development of Roundabout Crash Prediction Models and Method

Nick Foster, Kittelson & Associates, Inc.

NCHRP Synthesis Report 488: Roundabout Practices

Alek Pochowski, Kittelson & Associates, Inc.

 

Session 3B

Environmental/Road Diets

Moderator: Mark Lenters, MSA/Ourston

 

Complete Streets + Complete Intersections = Complete Networks

Ken Sides, Sam Schwartz Engineering

 

Roundabout Selected For Intersection? – Halfway to Road Diet Decision

Brian Walsh, Washington State DOT

 

Session 3C

Operations

Moderator:  Rebecca Szymkowski, Wisconsin DOT

 

Comparing Ramp Terminal Roundabouts with Diverging Diamond Interchanges

Gilbert Chlewicki, Advanced Transportation Solutions

 

Survive The Guide, SR 539 - The Tale of Two Case Studies

Dina Swires, Washington State Department of Transportation

 

A Deterministic Method of Evaluating Speeds for the Fastest Path Analysis at Roundabouts

Hannah Khosravi, Transoft Solutions

 

Session 4A

Safety

Moderator:  Brian Porter, Wisconsin DOT

 

Crash Modification Factors Based on Crash Histories of 151 Modern Roundabouts in Five States

Wei Zhang, Federal Highway Administration

 

Statewide Roundabout Safety Analysis

Andrea Bill, UW-Madison TOPS Lab

 

Comparisons of Changes in Melbourne of Pedestrian and Cyclist Crashes at Roundabouts and Signals Over Time

Andrew O'Brien, O'Brien Traffic

 

Session 4B

Design

Moderator:  Rodney Taylor, Wisconsin DOT

 

Design Principles for Safety and Operations of Multi-Lane Roundabouts

Mark Johnson, MTJ Roundabout Engineering

 

Reed Market/15th Street Roundabout Project

Bradley Shea, HDR

 

Modular Mini-Roundabouts from Recycled Plastic

Jerry Fanucci, ZKxKZ LLC

 

Session 4C

Landscape/Artwork - Compare and Contrast

Moderator:  Michael Mastaglio, Urban Engineers, Inc.

 

The Purpose of Landscape Elements

Bill McNary, Wisconsin DOT

 

Roundabouts, Public Art and Placemaking

Ken Sides, Sam Schwartz Engineering

 

TUESDAY MAY 9, 2017

 

Session 5A

Pedestrians and Bicycles

Moderator:  Paul Vraney, Wisconsin DOT

 

Analysis on traffic safety for pedestrian and cyclists at roundabouts in Japan

Koji Suzuki, Nagoya Institute of Technology

 

Belmont University: A Case Study of Roundabout Operational Recovery following acute Pedestrian (Student) Saturation

Brandon Taylor, RPM Transportation Consultants, LLC.

 

Operations and Safety of Separated Bicycle Facilities at Single Lane Roundabouts

David Stanek, Fehr & Peers

 

Session 5B

Mini-Roundabouts

Moderator: Dina Swires, Washington State DOT

 

Mini-Roundabouts in Washington State

Dan Dovey, King County Department of Transportation, Road Services Division

 

Mini-Roundabouts in Delaware: Designing to Context

Shilpa Mallem, T.Y. Lin International

 

Mini-Roundabouts Before and After Successful Case Studies

Ahmed Amer, VHB, Wei Zhang, FHWA

 

Session 5C

Capacity

Moderator: Josh Straka, Strand Associates

 

An assessment of the updated Highway Capacity Manual roundabout capacity model

Rahmi Akcelik, Akcelik & Associates (SIDRA SOLUTIONS)

PAPER

 

A Comparison of two roundabout capacity models

Elżbieta Macioszek, Silesian University of Technology

PAPER

 

Roundabout Capacity Analysis Based on Conflict Technique

Werner Brilon, Ruhr-University Bochum

PAPER

 

 

Poster Session 2 -  See Full List of Poster Presenters

 

Session 6A

State of the Agencies

Moderator:  Jerry Zogg, Winconsin DOT

 

The Evolution of Roundabout Implementation in Georgia

Scott Zehngraff, Georgia DOT

 

Washington State DOT Roundabout Implementation Over Two Decades

Brian Walsh, Washington State DOT

 

Road Commission for Oakland County, Michigan – Challenges, Experience and Lessons Learned

Tom Blust, Road Commission for Oakland County

 

Session 6B

Construction

Moderator:  Eric Gwidt, Wisconsin DOT

 

Reconstructing a Six-Leg Intersection into Mohave County’s First Roundabout

Steven Latoski, Mohave County (Arizona) Public Works

 

Construction of Diamond I-5/La Center Interchange with Multilane Roundabout Ramp Terminals

Jeff Whitman, Kittelson & Associates, Inc.

 

Alum Creek Drive at Groveport Road – Flyover Bridge with Double Roundabouts

William Crosier, Franklin County Engineer's Office

 

Session 6C

Human Factors

Moderator:  Mark Johnson, MTJ Roundabout Engineering

 

Analysis of drivers’ eye movement on snow-covered roundabouts

Kazunori Munehiro, Civil Engineering Research Institute for Cold Region, PWRI, Japan

 

Non-Geometric Solutions to Driver Errors and Multi-Lane Roundabouts

Phil Weber, GHD

 

Development of the Crossover Roundabout

Ryan Hale, Missouri Department of Transportation

 

 

Session 7A

Mini-Roundabouts Moderator:  Ahmed Amir, VHB

 

FHWA Mini-Roundabout Field Evaluation: Lessons Learned and Beyond

Wei Zheng, Federal Highway Administration

 

Right Sizing Roundabouts: Can Mini Roundabouts Work in Your Community?

Mark McCulloch, Washtenaw County Road Commission

 

Session 7B

Modeling- Design Visualization

Moderator:  Randy Johnson, DKS Associates

 

The Visualization of Roundabouts from Concept to Creation

Kurt Stiles, Washington State DOT

 

Design Visualization Techniques, Methods and Case Studies

Steven Theisen, Wisconsin DOT and Nathan Cook, MSA/Ourston

 

Session 7C

Intersection Control Evaluation (ICE) and Roundabouts

Moderator:  Steve Pyburn, Federal Highway Administration

 

Caltrans Intersection Control Evaluation Policy

Jerry Champa,  California DOT

 

ICE Age: Intersection Control Evaluation (ICE) A Method to Mainstream Roundabouts

Kamesh Vadula, Omni-Means, Inc and Jerry Champa, California DOT

 

Wisconsin DOT Intersection Control Evaluation Policy

Kevin Scopoline, Wisconsin Department of Transportation

 

Guided Roundabout Tours

 

 

 

                                  Virtual Guided Roundabout Tours

 

8A - Roundabouts for Trucks YouTube Video

(includes general roundabouts tour plus stops at several sites where truck drivers are waiting)

 

8B - Roundabouts for Pedestrians YouTube Video

(includes general roundabouts tour plus stops at several sites to observe/experience walking pedestrian traffic)

 

8C - Roundabouts for Bicyclists (includes general roundabouts tour plus stops at several sites to observe/experi- ence bicycle traffic) - Elm Street

 

8D - Roundabouts-only tour, no stops, to see as many as possible. - Elm Street

 

Lambeau Field Networking Reception (Transportation provided)

 

WEDNESDAY  MAY 10, 2017

 

Session 9A

Law Enforcement Perspectives

Moderator:  Rick Olig, Olig Consulting, LLC .

Chief Derek Beiderwieden, De Pere Police Department

Sergeant Daniel S. Diedrich, Motor Carrier Enforcement, Wisconsin State Patrol- Northeast Region

Lieutenant Karl D. Ackermann, Police Operations, Green Bay Police Department

Law Enforcement Perspectives Wrap Up

 

Session 9B

International Perspectives

Moderator: Victor Salemann, Transportation Solutions, Inc.

 

Roundabouts in Germany and Switzerland 2017

Werner Brilon, Ruhr University, Bochum

 

Canada

Steve van De Keere, Region of Waterloo Transportation and Environmental Services Department

 

Sustainable Safety as the Theoretical Basis of Roundabouts in Netherlands

Bertus Fortuijn, Delft University of Technology

 

Session 9C

Data Collection and Analysis

Moderator:  Rachel Price, Reid Middleton

 

Monitoring Driver Adaptation to Multilane Roundabouts with Drones: A Case Study

Eric Hildebrand, University of New Brunswick

 

Staging Roundabout Expansion and Conducting Sensitivity Analyses for Capacity Configurations

Christina Barry, Georgia Department of Transportation

 

Session 10A

Outreach:  Is Your Strategy Far-reaching?

Moderator:  William Britnell, Connecticut DOT

 

I-40 Roundabout and WisDOT Outreach - Randy Asman, Wisconsin DOT and Mark Cantola, Wisconsin DOT

Doug Wiersig, City of Fort Worth

Mark McCulloch, Washtenaw County Road Commission

 

Session 10B

Safety

Moderator: Phil Demosthenes, Philip B. Demosthenes

 

Reducing Crashes through Low Cost Improvements at an Urban Multi-Lane Roundabout

Samuel Bobko, Hatch Mott MacDonald

Statistical Analysis of Roundabout Safety Based Upon Crash and Geometric Properties in the States of New Jersey and Pennsylvania

Sean Coffey, Villanova University

Roundabout Crash Trends in Victoria, Australia: A Review and Comparison to International Experience

Toby Cooper, Australian Institute of Traffic Planning and Management

 

Session 10C (Presentation and Posters)

Hot Topics

Hot Topics (Presentation)

Moderator: Andrea Bill, Traffic Operations and Safety (TOPS) Laboratory University of Wisconsin-Madison

 

Posters

Implementation of Roundabouts in our National Parks and Federal Lands  Hillary Isebrands, Federal Highway Administration

 Roundabout Innovation for Oversized Loads, Robert Jack, Strand Associates

Guidelines for Accessibility of Modern Roundabouts to Assist Pedestrians with Vision Disabilities  Bastian Schroeder, Kittelson and Associates, Inc.

Where is Your Speed Control?  Amanda DeAmico, MSA/Ourston

Adaptive Roundabout Projects, Rachel Price, Reid Middleton Inc.

 

Closing Plenary Session

Town Hall Roundabout Forum

Attendee Input on Where We Go From Here: Research, Outreach, and Committee Direction

 

Last updated June 21, 2017