Presentations

Access Management - The Musical

  • Posted on: Fri, 08/30/2013 - 23:50
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A fun, musical ending to the 2012 Access Management Conference.

Would you like to hear those songs again? put a note in the comments.

Here are the lyrics for Access Management – the Musical

I want to get thru (To the tune of Hello Mary Lou)

Passed me by one summer day,
Flashed those big headlights my way
And then I sat in one big traffic jam

I just want to get around
Not be stuck in this downtown
Oh no I hear a screech, slam bam and wham.

Public Involvement Success in Amarillo

  • Posted on: Fri, 08/30/2013 - 23:43
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Texas DOT

Amarillo Comprehensive Plan 2010

  • Amarillo Comprehensive Plan
  • “Essential need to safeguard the through traffic function—and capacity and safety—of key arterial and highway corridors”
  • Amarillo Downtown Revitalization
  • Need for Viable Truck Relief Route for Amarillo

Lessons Learned

  • Listen
  • Ground Hog Day
  • Be Pro-Active

Avoiding the Bypass Blues

  • Posted on: Fri, 08/30/2013 - 23:30
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Avoiding the Bypass Blues: Managing Impacts on Small- and Medium-Sized Communities
CUTR

Impacts of Bypass Highways on Small- and Medium-Size Communities

Florida DOT Project (2011)

 

Objective:  To gain insights on and make recommendations regarding how to study the possible indirect impacts of new bypass highways on land use and other considerations in Florida

Access Management Considerations for High-Capacity Multi-lane Roundabouts

  • Posted on: Fri, 08/30/2013 - 23:23
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Case Studies

Roundabouts Enhance the Achievement of Access Management Principles

  • Maintain Integrity of Arterials
  • Balance Mobility and Access
  • Improve Safety
  • Reduce Congestion
  • Extend the life of Infrastructure
  •  

Roundabout Operational Characteristics Allow for:

Development of Left-Turn Warrants for Unsignalized Intersections

  • Posted on: Fri, 08/30/2013 - 23:14
  • By: fbroen
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Bill Eisele
Development of Left-Turn Warrants for Unsignalized Intersections
TTI

Purpose of NCHRP Project 3-91

  • Develop objective and clear process for selection of left-turn lanes at unsignalized intersections
  • Provide guidance on the design of left-turn lanes

Conclusions

Access Management in Tennessee

  • Posted on: Fri, 08/30/2013 - 23:11
  • By: fbroen
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Marshall Elizer

Tanisha Hall
Tennessee DOT
 

Overview

  • Purpose of Tennessee’s Corridor Management Project
  • Project Overview & Process
  • The Selected Tool: Corridor Management Agreements (CMAs)
  • Reactions-to-Date & Next Steps

Remaining Challenges:

  • Explaining CMAs to key stakeholders
  • Getting CMAs approved
  • Implementing the CMAs
  • Establishing long-lasting partnerships and processes immune to local and state political changes

Access Management in Mississippi

  • Posted on: Fri, 08/30/2013 - 23:09
  • By: fbroen
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Parting Observations

  • Applying AMM principles on newly developing highways will not be that difficult
  • Applying AMM principles consistently on existing highways is proving to be a huge challenge, especially for the Appeals Committee
  • One of biggest challenges is moving past the “we’ve always allowed two driveways” mindset

Hurdles Yet to Overcome

  • The LPA Question – ?
  • Developing an Access Management Practice versus an Access Management Policy

Massachusetts Access Management Design

  • Posted on: Fri, 08/30/2013 - 23:04
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Massachusetts DOT

Outline

  • Functional Classification System
  • Land Use Controls
  • Corridor Planning
  • Permitting
  • Project Design

Where do we go next

  • Complete Streets training,
  • Expanding adoption to private developers getting permits,
  • Training for municipalities
  • Benefits of Multimodal system to AM
  • Implement Guidelines
  • Performance Measures

Oregon’s Interchange Area Management Plans

  • Posted on: Fri, 08/30/2013 - 23:01
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Oregon’s Interchange Area Management Plans — A 10-Year Retrospective
Kittleson and Associates

Conclusions

  • A powerful planning tool
  • Proactively addresses land use, access, and design issues
  • Public process and development techniques need to be naturally transparent
  • The IAMP can formally or informally be applied to all jurisdictions

Access Control near Highway Interchanges

  • Posted on: Fri, 08/30/2013 - 22:55
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Objectives

  • Review origin of current guidelines for access separation from interchange ramps
  • Review recent Virginia study on the relationship between access spacing from interchange ramps and crash rates
  • Suggest new standards for the optimum access point spacing

 

Findings and Recommendations: Access Spacing from Interchange Ramp

A New Look at Driver Perception - Reaction Time at Driveways

  • Posted on: Fri, 08/30/2013 - 22:53
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Oregon State University
AM1220Dixon

As part of the AMAG project, Karen Dixon used a driving simulator to study the driver perception - reaction time of drivers of different ages. 

Overview

  • Defining the Problem
  • Study Currently in Progress
  • Concluding Remarks

Next Steps

State Highway 6 Access Management Study North

  • Posted on: Sat, 07/06/2013 - 21:58
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Case Studies Slide Titles SH 6 Access Management Study, North Study Area Land Uses Driveway Density LOS AM/PM Project History Continuous Public Involvement Public Involvement Exercises Traditional Access Management Tools Raised Medians Signal Modification Addition of Turn Lanes Traditional Access Management Tools Internal Circulation, added Backage Roads and Removal of Signals made Unnecessary Innovative Tools – more green time Innovative tools - Continuous flow intersection (CFI) Innovative tools – Median U-turn intersection Innovative tools Recommendations Results

Revitalizing Aging Highway Corridors

  • Posted on: Sat, 07/06/2013 - 21:54
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Revitalizing Aging Highway Corridors by Developing Context Zones and Access Management Standards Case Study Slide Titles US 1/US 78 Corridor Study Public Participation What happens if we do nothing? This could happen… Going from this…. To this, requires planning. What happens if we plan? We will improve safety and enhance mobility options… What happens if we do nothing? We create more issues that must be resolved… What happens if we plan? We improve traffic operations. Topics U.S. 1/U.S. 78 Corridor Study Area Augusta MPO Area U.S. 1/U.S.

Comprehensive AM Planning Is Key to Economic Sustainability

  • Posted on: Sat, 07/06/2013 - 21:50
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Case Studies Slide Titles Why Study is Needed Study Area Adjacent Freeway Design Freeway Footprint Why Study is Needed Land Use and Transportation Development Pattern - Nodal Land Use Considerations Existing Development Pattern Development Pattern Interchange/Intersection Recommendations Access Management Access Function Unoccupied Property Unoccupied Property Starlite Motor Lodge – low density along the highway English Village Inn Unoccupied Building Old Circuit City Old Michael’s Vacant Lot David’s Bridal Our highways has become America's “Main Street” Roadway Recommenda

A Basic Connection — Access Management and Sustainability

  • Posted on: Sat, 07/06/2013 - 21:47
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Outline • Sustainability Definition • Need for Sustainable Transportation • Need for Access Management • Common Themes? • Qualitative Discussion • Rating Systems • Future Research • Conclusions Side Titles A Basic Connection: Access Management and Sustainability Outline Sustainability Definition Sustainability Definition Need for Sustainable Transportation Need for Access Management Common Themes?

Corridor Visualization Explorer

  • Posted on: Sat, 07/06/2013 - 19:51
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Slide Titles

  1. Road Map
  2. How do you engage the problem?
  3. Think Show Ask
  4. What do you think?
  5. Next Steps
  6. Road Map
  7. Access Management
  8. Driveways
  9. Intersections
  10. Access Management improves safety by reducing traffic conflicts
  11. Tool
  12. Conflict Points
  13. Crashes
  14. Business revenue
  15. Road Map
  16. Think Show Ask

Access Management Framework Abu Dhabi U.A.E.

  • Posted on: Sat, 07/06/2013 - 19:46
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“The ultimate goal of this ambitious program is to transform Abu Dhabi into the sustainable capital of the Arab world.” The Abu Dhabi Department of Transport (DoT) was established in 2006 – combining agencies of Aviation, Maritime, Public Transport and Highways They are creating about 25 manuals – Current Status Change in Framework • Started with Manual (2010) – following TRB AM Manual, like they follow the Green Book, but directed switch to directive language – regulations. • May produce a training manual in the future.

Pylon Use; A National Survey

  • Posted on: Sat, 07/06/2013 - 19:44
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A National Survey on Public Use in Freeways and Corridors Presentation Outline • Surveys • TxDOT Survey • Vendor Survey • National Survey • Format • Results • Interesting Findings Slide Titles Pylon Use: A National Survey Presentation Outline Survey Purpose Survey Format Terminology Vendor Interviews Survey Questions Survey Response Rate National Flexible Pylon Usage TxDOT District Pylon Usage Why Pylons Vs Barriers Other Reasons to use Pylons Pylons Vs Buffer Guidance Maintenance Reasons for Missing Pylons Maintenance Agencies Performing Evaluations Beneficial? When To Implement?

Access Management Sight Distance Applications

  • Posted on: Sat, 07/06/2013 - 19:38
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Overview • Review of Sight Distance Components • Common Sight Distance Applications to Access Management • Sight Distance – What, When, and Where • Concluding Remarks Slide Titles Another Look at Sight Distance Applications for Access Management Overview Sight Distance Review of Candidate Sight Distances Basic SSD Assumptions Review of Candidate Sight Distances Basic DSD Assumptions Review of Candidate Sight Distances Common Applications That Consider Sight Distance for Access Management Looking at Stopping & Decision Sight Distance Assumptions Basic Questions Stopping Sight Distance fo

Field Evaluation of Restricted Crossing U-Turn Intersection

  • Posted on: Sat, 07/06/2013 - 19:34
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Field Evaluation of Restricted Crossing U-Turn Intersection — The Maryland Experience Presentation Outline • The Safety Issue To Be Addressed • RCUT Concept • Suitable traffic conditions for RCUT implementation • Control parameters • FHWA Evaluation • Evaluation results • Conclusions Slide Titles Field Evaluation of Restricted Crossing U-Turn Intersection (RCUT) Presentation Outline The Safety Issue To Be Addressed RCUT Concept Suitable Traffic Conditions for Using RCUT RCUT Control Parameters U-Turn Opening Location FHWA Evaluation Driver Behavior Study Signing Study (minor road lanes not

Restricted Crossing U-Turn (RCUT) Intersection Safety Analysis

  • Posted on: Sat, 07/06/2013 - 19:01
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Restricted Crossing U-Turn (RCUT) Intersection Safety Analysis — The North Carolina Experience
North Carolina State University
AM1207Cunningham

Objectives
• Determine the safety and operational benefits of superstreets for NC motorists
• Fulfill the need for capacity and level of service methodology

Early Investigation of Access Points near Signalized Intersections

  • Posted on: Sat, 07/06/2013 - 18:57
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Objective • Develop a statistical model to estimate the number of access point – related collisions occurring at access points near signalized intersections • Provide guidelines for site planners to distinguish higher collision sites from lower collision sites and eventually prevent constructing these sites Slide Titles Early Investigation of Access Points near Signalized Intersections Access Point Safety Objective Scope Literature Review Data Preparation Modeling Methodology Collision Model Higher Collision Sites Higher Collision Analysis Contributing Factors Recommended Guideline Research

Access Connection Issues — Permitting versus Retrofit

  • Posted on: Sat, 07/06/2013 - 18:48
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Access Management Regulations • Roadway Classification • Access Management Standards • Permitting Retrofit Projects • Cost is borne by the public • Benefits accrue to the public Conclusions • B/C criteria are applicable to retrofit projects • Warrants for permitting should be lower than for retrofit

Does Median Width Matter?

  • Posted on: Sat, 07/06/2013 - 18:43
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Outline

  • Application of Differing Widths
  • Standards Summary
  • Geometric Impacts of Widths
  • Previous Safety Research
  • Highway Safety Manual Results
  • Applications of Existing CMFs
  • Future Research
  • Conclusions
     

Future Research

  • Before and After Study with Differing Widths
  • Statewide Data Review to update 1993 FHWA Report
  • Trends in Median Width Treatments

     

Conclusions