WELCOME IL 47 Community Advisory Group Meeting #3 Waubonsee - - PowerPoint PPT Presentation

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WELCOME IL 47 Community Advisory Group Meeting #3 Waubonsee - - PowerPoint PPT Presentation

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WELCOME IL 47 Community Advisory Group Meeting #3 Waubonsee Community College Thursday, March 10, 2016 MEETING AGENDA 1. Welcome/Introduction 2. CAG Meeting #2 Review 3. Review Purpose and Need 4. Primer on Interchanges and Corridor Tools

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SLIDE 1

WELCOME

IL 47

Community Advisory Group Meeting #3 Waubonsee Community College Thursday, March 10, 2016

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SLIDE 2
  • 1. Welcome/Introduction
  • 2. CAG Meeting #2 Review
  • 3. Review Purpose and Need
  • 4. Primer on Interchanges and Corridor Tools
  • 5. Alternatives Exercise
  • 6. Closing Remarks/Next Steps

MEETING AGENDA

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SLIDE 3
  • 1. Welcome/Introduction
  • 2. CAG Meeting #2 Review
  • 3. Review Purpose and Need
  • 4. Primer on Interchanges and Corridor Tools
  • 5. Alternatives Exercise
  • 6. Closing Remarks/Next Steps

MEETING AGENDA

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SLIDE 4

CAG Binder

  • Agenda
  • CAG 2 Summary
  • CAG 3 Presentation
  • Purpose and Need

Website

  • www.sugargroveinterchange.org

RESOURCES

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SLIDE 5
  • 1. Welcome/Introduction
  • 2. CAG Meeting #2 Review
  • 3. Review Final Purpose and Need
  • 4. Primer on Interchanges and Corridor Tools
  • 5. Alternatives Exercise
  • 6. Closing Remarks/Next Steps

MEETING AGENDA

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SLIDE 6

CAG MEETING #2 REVIEW

  • Met on November 18, 2015
  • Attended by 19 of 30 CAG

Members

  • Finalized the Problem

Statement

  • Reviewed Technical Information
  • Reviewed Draft Purpose and

Need

  • Developed CAG Design

Considerations

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SLIDE 7
  • 1. Welcome/Introduction
  • 2. CAG Meeting #2 Review
  • 3. Review Final Purpose and Need
  • 4. Primer on Interchanges and Corridor Tools
  • 5. Alternatives Exercise
  • 6. Closing Remarks/Next Steps

MEETING AGENDA

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SLIDE 8

Enhance System Linkage and Accessibility Support Existing and Future Economic Development

PROJECT PURPOSE PURPOSE AND NEED STATEMENT

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SLIDE 9
  • Improving the currently limited access to I-88
  • Improving connectivity of Truck Routes
  • Supporting the expressway system with the

strategic regional arterial (SRA) System

  • Improving mobility with shorter trips and travel

times

  • Improving emergency vehicle response and

transport

SYSTEM LINKAGE ECONOMIC DEVELOPMENT

PROJECT NEEDS

  • Serving existing and future land

uses and increased population

PURPOSE AND NEED STATEMENT

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SLIDE 10

QUESTIONS?  Purpose and Need

GENERAL UNDERSTANDING

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SLIDE 11
  • 1. Welcome/Introduction
  • 2. CAG Meeting #2 Review
  • 3. Review Purpose and Need
  • 4. Primer on Interchanges and Corridor Tools
  • 5. Alternatives Exercise
  • 6. Closing Remarks/Next Steps

MEETING AGENDA

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SLIDE 12

ALTERNATIVE EVALUATION AND SCREENING PROCESS

Develop Initial Alternatives Level II Screening

Level of Service , Right-of-Way, Stakeholder Input, Environmental Concerns, Cost

Fatal Flaw Screening Level I Screening

Level of Service , Right-of-Way, Stakeholder Input

Purpose & Need Screening Eliminate Alternatives Eliminate Alternatives Eliminate Alternatives Eliminate Alternatives PREFERRED ALTERNATIVE

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SLIDE 13

Service Interchanges

  • Conventional Diamond
  • Partial Cloverleaf
  • Full Cloverleaf
  • Single Point Urban
  • Diverging Diamond
  • Indirect

PRIMER – INTERCHANGES

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SLIDE 14
  • Lower Capacity
  • Typically Rural

Settings

  • Low Cost
  • Good Driver

Expectancy

  • Good Bicycle/

Pedestrian Integration

CONVENTIONAL DIAMOND

STOP, SIGNAL, OR ROUNDABOUT STOP, SIGNAL, OR ROUNDABOUT

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SLIDE 15

Reagan M Memoria ial T l Tollw lway ( (I-88) a at Winfie ield ld R Road ( (Warrenville ille)

WINFIELD ROAD

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SLIDE 16

FULL CLOVERLEAF

  • Efficient Crossroad
  • Undesirable Weaving
  • Large Footprint =

Larger Property Impact

  • Difficult Bicycle/

Pedestrian Integration

WEAVE WEAVE WEAVE WEAVE

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SLIDE 17

Reagan an Memo morial al Tollway ( (I-88) at at Far arnsworth Avenue ( (Auror

  • ra)

a)

FARNSWORTH AVENUE

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SLIDE 18

PARTIAL CLOVERLEAF

SIGNAL SIGNAL

  • 1-3 Loop Ramps to

Handle Certain Movements

  • Accommodate High

Left Turn Volumes

  • Adaptable in

Restricted Right-of- Way Situations

  • Moderate Bicycle /

Pedestrian Integration

WEAVE

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SLIDE 19

Jane A e Adda ddams M Mem emor

  • rial T

Tol

  • llway (

(I-90 90) at at IL 47 7 (Hu Huntley)

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SLIDE 20

Jane A e Adda ddams M Mem emor

  • rial T

Tol

  • llway (

(I-90 90) at at IL 59 59 (Ho Hoffm fman E Estat ates)

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SLIDE 21

SINGLE POINT URBAN (SPUI)

  • Improved operations over

conventional diamond

  • Higher cost due to larger

bridge

  • Good for restricted ROW

conditions

  • Better cross street signal

spacing for close adjacent signals

  • Good for Bicycle/

Pedestrian Integration

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SLIDE 22

IL L 56 (Butter erfield R d Roa

  • ad) a

at Highland A Aven enue ( (Lo Lomba bard)

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SLIDE 23

DIVERGING DIAMOND (DDI)

SIGNAL SIGNAL

  • Accommodate High

Left Turn Volumes

  • Same general

footprint as conventional diamond but higher capacity

  • Good for Bicycle /

Pedestrian Integration

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SLIDE 24

Reagan M Memoria ial T l Tollw lway ( (I-88) at I IL 59 ( (Naperville ille)

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SLIDE 25

DIVERGING DIAMOND VIDEO DEMO

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SLIDE 26

INDIRECT

  • Used in restricted right-of-

way conditions or when the adjacent roadway network precludes a traditional interchange type

  • Circuitous Travel Routing
  • Poor for Driver Expectancy
  • Good for Bicycle/

Pedestrian Integration

SIGNAL SIGNAL SIGNAL SIGNAL

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SLIDE 27

Reagan M Memoria ial T l Tollw lway ( (I-88) 8) a at Eo Eola Roa

  • ad (

(Auror

  • ra)

DIEHL ROAD

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SLIDE 28

Where does IL 47 go? What does IL 47 look like?

PRIMER – CORRIDOR TOOLS

Typical Sections Alignment

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SLIDE 29

Alignments

Existing Alignment - Symmetrical Widening Asymmetrical Widening New Alignment

PRIMER – CORRIDOR TOOLS

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SLIDE 30

PRIMER – CORRIDOR TOOLS

SHARED USE PATH OUTSIDE DITCH OUTSIDE SHOULDER RAISED MEDIAN TURF OR PAVED CURB AND GUTTER TRAVEL LANES STORM SEWER

EXAMPLE TYPICAL SECTION ELEMENTS

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SLIDE 31

PRIMER – CORRIDOR TOOLS

Access Management

  • Medians
  • Intersection Spacing
  • Access Consolidation
  • Entrance Relocation
  • Right-In/Right-Out (RI/RO)
  • ¾ Access

¼ MILE MINIMUM SIGNAL SPACING RIGHT-IN/RIGHT-OUT ¾ ACCESS RIGHT-IN/RIGHT-OUT AND LEFT-IN

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SLIDE 32

PRIMER – CORRIDOR TOOLS

Intersection Improvements

  • Traffic Controls
  • Yield
  • Stop (Two-Way Stop, All-Way Stop)
  • Traffic Signal
  • Roundabout
  • Turn Lanes (Channelization)
  • Pedestrian and Bike Crossings
  • Crosswalks (At-Grade)
  • Grade Separations
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SLIDE 33
  • 1. Welcome/Introduction
  • 2. CAG Meeting #2 Review
  • 3. Review Purpose and Need
  • 4. Primer on Interchanges and Corridor Tools
  • 5. Alternatives Exercise
  • 6. Closing Remarks/Next Steps

MEETING AGENDA

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SLIDE 34

ALTERNATIVES EXERCISE

As a small group:

  • 1. Develop transportation improvement

alternative solutions

  • 2. Sketch the improvements on the IL 47

corridor schematic map and interchange aerial

  • 3. Agency staff will be available to

answer any questions as you go

Resources

  • Problem

Statement

  • Existing Conditions

and Deficiencies

  • Purpose and Need
  • Planning

Documents

  • Primer on

Interchange Types

  • Primer on Corridor

Tools

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SLIDE 35
  • 1. Welcome/Introduction
  • 2. CAG Meeting #2 Review
  • 3. Review Purpose and Need
  • 4. Primer on Interchanges and Corridor Tools
  • 5. Alternatives Exercise
  • 6. Closing Remarks/Next Steps

MEETING AGENDA

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SLIDE 36

PHASE I STUDY ELEMENTS

Human and Natural Environment Hydraulics, Drainage & Bridge Roadway, Geometrics & Traffic Vehicular/ Pedestrian Safety

Data Collection Purpose and Need Evaluate Alternatives Define Alternatives and Evaluation Criteria Select Preferred Alternative

20 2015 15 2016 2017 17

Stakeholder Outreach

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SLIDE 37

Purpose and Need Developed Alternatives

TASKS COMPLETED

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SLIDE 38
  • Public Meeting #2 – Tentative May 2016
  • Present Final Purpose and Need
  • Present CAG Design Considerations
  • Present Reasonable Preliminary Alternatives
  • CAG Meeting #4 – Tentative Fall 2016
  • Review Full Range of Alternatives
  • Review Alternative Screening
  • Gain Consensus on Alternatives Carried Forward

NEXT STEPS

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SLIDE 39

PROJECT STUDY TIMELINE

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SLIDE 40

QUESTIONS? THANK YOU!