SIMULATION of DIFFERENT INTERSECTION DESIGN for IMPROVING TRAFFIC FLOW with FACTORS CONSIDERING LOCATION, POPULATION and DRIVER EXPECTANCY Sourabh Kumar Singh Dr
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Transportation Network Plan Middleton, WI
Report Transportation Network Plan City of Middleton, WI December 2006 Report for City of Middleton, Wisconsin Transportation Network Plan Prepared by: Traffic Associates LLC and STRAND ASSOCIATES, INC.® 910 West Wingra Drive Madison, WI 53715 www.strand.com December 2006 Approved by Middleton City Council November 21, 2006 TABLE OF CONTENTS Page No. or Following SECTION 1–INTRODUCTION AND EXECUTIVE SUMMARY 1.01 Overview.................................................................................................... 1-1 1.02 Executive Summary................................................................................... 1-3 SECTION 2–EXISTING TRANSPORTATION SYSTEM 2.01 Existing Transportation System................................................................. 2-1 2.02 Traffic Data Collection................................................................................ 2-14 2.03 Existing Conditions Modeling..................................................................... 2-16 SECTION 3–FUTURE CONDITIONS 3.01 Future Traffic Forecasting.......................................................................... 3-1 3.02 Future Conditions Traffic Operations Modeling ......................................... 3-4 3.03 Prioritization of Future Motor Vehicle Needs ............................................. 3-6 SECTION 4–SOLUTION TYPES 4.01 Transportation Solutions............................................................................ 4-1 4.02 Traffic Management Perspective .............................................................. -
Rural Expressway Intersection Synthesis of Practice and Crash Analysis
RURAL EXPRESSWAY INTERSECTION SYNTHESIS OF PRACTICE AND CRASH ANALYSIS Sponsored by the Iowa Department of Transportation (CTRE Project 03-157) Final Report October 2004 Disclaimer Notice The opinions, fi ndings, and conclusions expressed in this publication are those of the authors and not necessarily those of the Iowa Department of Transportation. The sponsor(s) assume no liability for the contents or use of the information contained in this document. This report does not constitute a standard, specifi cation, or regulation. The sponsor(s) do not endorse products or manufacturers. About CTRE/ISU The mission of the Center for Transportation Research and Education (CTRE) at Iowa State Uni- versity is to develop and implement innovative methods, materials, and technologies for improv- ing transportation effi ciency, safety, and reliability while improving the learning environment of students, faculty, and staff in transportation-related fi elds. Technical Report Documentation Page 1. Report No. 2. Government Accession No. 3. Recipient’s Catalog No. CTRE Project 03-157 4. Title and Subtitle 5. Report Date Rural Expressway Intersection Synthesis of Practice and Crash Analysis October 2004 6. Performing Organization Code 7. Author(s) 8. Performing Organization Report No. T. H. Maze, Neal R. Hawkins, and Garrett Burchett 9. Performing Organization Name and Address 10. Work Unit No. (TRAIS) Center for Transportation Research and Education Iowa State University 11. Contract or Grant No. 2901 South Loop Drive, Suite 3100 Ames, IA 50010-8634 12. Sponsoring Organization Name and Address 13. Type of Report and Period Covered Iowa Department of Transportation Final Report 800 Lincoln Way 14. Sponsoring Agency Code Ames, IA 50010 15. -
Median U-Turn Intersections Cost
System Modification Innovative Intersections MEDIAN U-TURN INTERSECTIONS COST TIME MODERATE STATE MINOR STREET MINOR STREET O REGI NAL IMPACT LOCAL RID OR OR MAJOR STREET MAJOR STREET C PT HO HURDES MAJOR STREET MOVEMENTS MINOR STREET MOVEMENTS CITSTATE RIHT-O-A PUIC ACCEPTANCE More Information: tti.tamu.edu/policy/how-to-fix-congestion SUCCESS STORIES Description How Will This Help? Plano, Texas. In 2011, the City Median U-turn intersections (also called • Costs less and is faster to of Plano installed the state’s only a thruturn or Michigan left) guide all traf- deploy than other innovative median U-turn intersection at fic, except left-turning vehicles, through intersection designs. Legacy Drive and Preston Road. the main intersection. Left-turning vehi- • Simplifies the traffic signal cles turn through U-turn openings in the The intersection timings for the intersection and dramatically improved median beyond the main intersection. whole corridor by eliminating the congestion by reducing Eliminating the left turn at the main need for a left-turn arrow. intersection wait intersection simplifies signal timings and times by 65%. provides more green time and less con- • Increases safety at the gestion to the major direction. intersection by eliminating traffic However, the design conflicts caused by left turns. was abandoned in 2014 Median U-turn intersections are similar due to a lack of public to superstreets but differ in that medi- Implementation Issues understanding and an U-turns allow minor street traffic to This intersection design can require acceptance. pass straight through the intersection. additional right-of-way to accommodate Superstreet intersections require all the U-turn turning radius in the median. -
In Safe Hands How the Fia Is Enlisting Support for Road Safety at the Highest Levels
INTERNATIONAL JOURNAL OF THE FIA: Q1 2016 ISSUE #14 HEAD FIRST RACING TO EXTREMES How racing driver head From icy wastes to baking protection could be deserts, AUTO examines how revolutionised thanks to motor sport conquers all pioneering FIA research P22 climates and conditions P54 THE HARD WAY WINNING WAYS Double FIA World Touring Car Formula One legend Sir Jackie champion José Maria Lopez on Stewart reveals his secrets for his long road to glory and the continued success on and off challenges ahead P36 the race track P66 P32 IN SAFE HANDS HOW THE FIA IS ENLISTING SUPPORT FOR ROAD SAFETY AT THE HIGHEST LEVELS ISSUE #14 THE FIA The Fédération Internationale ALLIED FOR SAFETY de l’Automobile is the governing body of world motor sport and the federation of the world’s One of the keys to bringing the fight leading motoring organisations. Founded in 1904, it brings for road safety to global attention is INTERNATIONAL together 236 national motoring JOURNAL OF THE FIA and sporting organisations from enlisting support at the highest levels. over 135 countries, representing Editorial Board: millions of motorists worldwide. In this regard, I recently had the opportunity In motor sport, it administers JEAN TODT, OLIVIER FISCH the rules and regulations for all to engage with some of the world’s most GERARD SAILLANT, international four-wheel sport, influential decision-makers, making them SAUL BILLINGSLEY including the FIA Formula One Editor-in-chief: LUCA COLAJANNI World Championship and FIA aware of the pressing need to tackle the World Rally Championship. Executive Editor: MARC CUTLER global road safety pandemic. -
Interchange Modification Report
INTERSTATE 75 AND STATE ROAD 884 (COLONIAL BOULEVARD) INTERCHANGE LEE COUNTY, FLORIDA INTERCHANGE MODIFICATION REPORT Prepared for: Florida Department of Transportation – District One February 2015 Interchange Modification Report Interstate 75 and State Road 884 (Colonial Boulevard), Lee County, Florida I, Akram M. Hussein, Florida P.E. Number 58069, have prepared or reviewed/supervised the traffic analysis contained in this study. The study has been prepared in accordance and following guidelines and methodologies consistent with FHWA, FDOT and Lee County policies and technical standards. Based on traffic count information, general data sources, and other pertinent information, I certify that this traffic analysis has been prepared using current and acceptable traffic engineering and transportation planning practices and procedures. ______________________________ Akram M. Hussein, P.E. #58069 ______________________________ Date TABLE OF CONTENTS Page SECTION 1 EXECUTIVE SUMMARY ......................................................................... 1-1 SECTION 2 PURPOSE AND NEED .............................................................................. 2-1 SECTION 3 METHODOLOGY ...................................................................................... 3-1 SECTION 4 EXISTING CONDITIONS ......................................................................... 4-1 4.1 DATA COLLECTION METHODOLOGY ........................................................................ 4-5 4.2 TRAFFIC FACTORS ......................................................................................................... -
SPOT Pre-6 Division 6
SPOT Online Specific Improvement Local comments (from Design notes from Coordination SpotID Project Category ROUTE Cross Street To Street First MPO/RPO First Division TTS Notes Description provided by Requestor Analysis Team Recommendation Design Comments Response to Requestor Submitter Type SPOT online) calls with MPOs/RPOs/DOT US 74/76 BUS @ SR 1005 ‐ Construct a US 76 BUS, US 74 BUS, NC SR 1005 (Peacock 10 ‐ Improve Will analyze and report H184044 Cape Fear RPO Regional Impact Cape Fear RPO Division 6 ‐19000 roundabout on US 74/64 BUS/NC 130 As requested 1 Lane Roundabout 130 (Chadbourn Hwy) Rd) Intersection travel time savings (Chadbourn Hwy) at SR 1005 (Peacock Hwy). What is different this time? H170193 analyzed from 701 to Pireway. This request is from Pireway to 5th Street (NC 410). They also US 701 BYP ‐ Widen US 701 Bypass to a 4‐lane US 701 Superstreet for intersections of US requested H184206 that goes to Joe Brown Hwy. R‐5952 only for Directional Cross‐Over Superstreet at Pireway and 5th SR 1305 4 ‐ Upgrade Arterial superstreet from R‐5952 at SR 1503 (Complex Will analyze and report H184205 Cape Fear RPO Regional Impact US 701 BYP BUS/NC 410 Cape Fear RPO Division 6 68000 701 with 5th and Pireway (R‐5952 Complex and 701? Have model Have counts. Expand Complex St OD. with 1‐Lane Bulb Outs Street. Discuss further with (Complex St) to Superstreet St) to US 701 Business/NC 410 (E 5th St) in travel time savings (E 5th St) was just for 701 and Complex) Take H170193 model, extend model to include NC 410 Bus (5th Street). -
Intersection and Interchange Geometrics PROJECT CASE STUDY
Intersection and Interchange Geometrics PROJECT CASE STUDY For North Carolina, Implementation of Superstreets Means Travel Time Improvement, Reduction in Collisions, and Fewer Injuries and Fatalities Increasing traffic delays at intersections are a common problem faced by Departments of Transportation (DOTs) across the nation. North Carolina is making strides in tackling delays in suburban, high-volume arterial areas through the implementation of “superstreets,” also known as restricted crossing U-turns (RCUTs). These arterial surface roads can move high-traffic volumes with less delay by re-routing left-hand turns and crossing maneuvers coming from the side streets. Instead, at an RCUT, drivers make a right turn onto the major highway and then make a U-turn through a median. While this may seem time-consuming, studies show it can result in significant time savings. At signalized intersections, the overall time savings efficiencies are due to the ability of the major highway to have a greater percentage of green time to allow the heavy through volumes of traffic to proceed. At unsignalized intersections, traffic from the minor street may actually save time since drivers are not stuck waiting for the long traffic gaps needed to go across the bust thoroughfare or make the left-hand turn. North Carolina has deployed the superstreet concept at intersections across the state, including a corridor of signalized intersections along U.S. Route 17 near Wilmington. BENEFITS OF SUPERSTREETS Safety Travel Time Economic Development Fewer conflict -
Alternative Intersections Comparative Analysis
Alternative Intersections Comparative Analysis Morgan State University The Pennsylvania State University University of Maryland University of Virginia Virginia Polytechnic Institute & State University West Virginia University The Pennsylvania State University The Thomas D. Larson Pennsylvania Transportation Institute Transportation Research Building University Park, PA 16802-4710 Phone: 814-865-1891 Fax: 814-863-3707 www.mautc.psu.edu OPERATIONAL ANALYSIS OF ALTERNATIVE INTERSECTIONS By: John Sangster and Hesham Rakha Mid-Atlantic University Transportation Center Final Report Department of Civil and Environment Engineering Virginia Polytechnic Institute and State University July 23, 2015 1 1. Report No. 2. Government Accession No. 3. Recipient’s Catalog No. VT-2012-03 4. Title and Subtitle 5. Report Date Operational Analysis of Alternative Intersections July 21, 2015 6. Performing Organization Code Virginia Tech 7. Author(s) 8. Performing Organization Report No. John Sangster and Hesham Rakha 9. Performing Organization Name and Address 10. Work Unit No. (TRAIS) Virginia Tech Transportation Institute 3500 Transportation Research Plaza 11. Contract or Grant No. Blacksburg, VA 24061 DTRT12-G-UTC03 12. Sponsoring Agency Name and Address 13. Type of Report US Department of Transportation Final Report Research & Innovative Technology Admin UTC Program, RDT-30 14. Sponsoring Agency Code 1200 New Jersey Ave., SE Washington, DC 20590 15. Supplementary Notes 16. Abstract Alternative intersections and interchanges, such as the diverging diamond interchange (DDI), the restricted crossing u-turn (RCUT), and the displaced left-turn intersection (DLT), have the potential to both improve safety and reduce delay. However, partially due to lingering questions about analysis methods and service measures for these designs, their rate of implementation remains low. -
Geometric Design Strategic Research TRANSPORTATION RESEARCH BOARD 2006 EXECUTIVE COMMITTEE OFFICERS
TRANSPORTATION RESEARCH Number E-C110 January 2007 Geometric Design Strategic Research TRANSPORTATION RESEARCH BOARD 2006 EXECUTIVE COMMITTEE OFFICERS Chair: Michael D. Meyer, Professor, School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta Vice Chair: Linda S. Watson, Executive Director, LYNX–Central Florida Regional Transportation Authority, Orlando Division Chair for NRC Oversight: C. Michael Walton, Ernest H. Cockrell Centennial Chair in Engineering, University of Texas, Austin Executive Director: Robert E. Skinner, Jr., Transportation Research Board TRANSPORTATION RESEARCH BOARD 2006 TECHNICAL ACTIVITIES COUNCIL Chair: Neil J. Pedersen, State Highway Administrator, Maryland State Highway Administration, Baltimore Technical Activities Director: Mark R. Norman, Transportation Research Board Christopher P. L. Barkan, Associate Professor and Director, Railroad Engineering, University of Illinois at Urbana–Champaign, Rail Group Chair Shelly R. Brown, Principal, Shelly Brown Associates, Seattle, Washington, Legal Resources Group Chair Christina S. Casgar, Office of the Secretary of Transportation, Office of Intermodalism, Washington, D.C., Freight Systems Group Chair James M. Crites, Executive Vice President, Operations, Dallas–Fort Worth International Airport, Texas, Aviation Group Chair Arlene L. Dietz, C&A Dietz, LLC, Salem, Oregon, Marine Group Chair Robert C. Johns, Director, Center for Transportation Studies, University of Minnesota, Minneapolis, Policy and Organization Group Chair Patricia V. McLaughlin, Principal, Moore Iacofano Golstman, Inc., Pasadena, California, Public Transportation Group Chair Marcy S. Schwartz, Senior Vice President, CH2M HILL, Portland, Oregon, Planning and Environment Group Chair Leland D. Smithson, AASHTO SICOP Coordinator, Iowa Department of Transportation, Ames, Operations and Maintenance Group Chair L. David Suits, Executive Director, North American Geosynthetics Society, Albany, New York, Design and Construction Group Chair Barry M. -
TAC 2003 Jughandle Final
UNCONVENTIONAL ARTERIAL DESIGN Jughandle Intersection Concept for McKnight Boulevard in Calgary G. FurtadoA, G. TenchaA and, H. DevosB A McElhanney Consulting Services Ltd., Surrey, BC B McElhanney Consulting Services Ltd., Edmonton, AB ABSTRACT: A functional planning study was initiated along McKnight Boulevard by the City of Calgary in response to the growing traffic and peak hour congestion routinely experienced along the corridor. The objective of the study was to identify and define, the most suitable improvements for medium term (2015 horizon) and long-term (2038 horizon) traffic demands, while conforming to a large number of independent constraints. Numerous alternatives were identified, and in due course rejected, due to their inability to adequately address the project requirements or satisfactorily meet stakeholder needs. Ultimately, a conventional intersection design involving widening along the south side of the corridor and the jughandle intersection concept were short listed for further evaluation and comparison. These design alternatives were subjected to a relatively rigorous appraisal that included performance, signing, laning and signalization requirements, property impacts, access and transit requirements, safety considerations, human factors and environmental impacts to name a few. It was found that operationally, the jughandle intersection design has compelling application potential in high volume corridors where local access is required and full grade separation is impractical or too costly. However, the jughandle property acquisition requirements and resulting costs along highly urbanized corridors, combined with their limited implementation experience in North America, can preclude their use in less than optimum circumstances. 1. INTRODUCTION Arterial roadways are typically designed and built with the intention of providing superior traffic service over collector and local roads (1). -
A303 Amesbury to Berwick Down Public Consultation APRIL 2018
A303 Amesbury to Berwick Down public consultation APRIL 2018 Response to consultation questions Note: This response should be read in conjunction with the letter attached to this consultation response. This document details our response to the questions raised in the consultation documents provided by Highways England on the proposed scheme as currently designed. We note that while we have now been presented with more information about the design, a substantial amount of detailed design work still needs to be undertaken. We also await the publication of the full Environmental Impact Assessment and associated Heritage Impact Assessment to enable us to properly assess the potential impacts of the proposed scheme and the effectiveness of the measures proposed to mitigate those impacts. All of the comments we provide in this document (and the associated letter) are therefore given in the expectation of the delivery of a considered, high quality solution to the final design and construction of this proposed scheme, appropriate to the protection of this internationally important site. The potential impacts and benefits of the proposed scheme must be tested in accordance with UNESCO/ICOMOS guidance to assess whether it will protect, conserve and enhance the Outstanding Universal Value (OUV) of the World Heritage Site (WHS). To that end, notwithstanding the need for Highways England as the scheme promoters to complete such an assessment as part of their full Heritage Impact Assessment, we, together with Historic England, have carried out our own assessments using this guidance to inform our position. Based on the findings of our latest assessment, we consider that while Highways England have made many improvements to the road design in an attempt to protect the WHS, further mitigation measures are required in order to ensure that the road, particularly in the western part of the WHS, does not cause unacceptable harm to its OUV. -
Design Manual M 22-01.15 July 2018
Publications Transmittal Transmittal Number Date PT 18-056 July 2018 Publication Distribution To: Design Manual Holders Publication Title Publication Number Design Manual – July 2018 M 22-01.15 Originating Organization WSDOT Development Division, Design Office – Design Policy, Standards, and Safety Research Section Remarks and Instructions What’s changed in the Design Manual for July 2018? See the summary of revisions beginning on Page 3. How do you stay connected to current design policy? It’s the designer’s responsibility to apply current design policy when developing transportation projects at WSDOT. The best way to know what’s current is to reference the manual online. Access the current electronic WSDOT Design Manual, the latest revision package, and individual chapters at: www.wsdot.wa.gov/publications/manuals/m22-01.htm We’re ready to help. If you have comments or questions about the Design Manual, please don’t hesitate to contact us. Area of Practice Your Contacts Geometric Design, Roadside Safety Jeff Petterson 360-705-7246 [email protected] and Traffic Barriers Chris Schroedel 360-705-7299 [email protected] General Guidance and Support John Donahue 360-705-7952 [email protected] To get the latest information on individual WSDOT publications: Sign up for email updates at: www.wsdot.wa.gov/publications/manuals/ HQ Design Office Signature Phone Number /s/ Jeff Carpenter 360-705-7821 Page 1 of 6 Remove/Insert instructions for those who maintain a printed manual NOTE: Also replace the Title Page CHAPTER/SECTION REMOVE