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DMMC SURFACE TRANSPORTATION PROGRAM. HIGHLIGHTS OF HIGHWAY COST- EFFECTIVENESS METHODOLOGY z5 Weighted Categories Of Benefits. zExisting And 20-yr Design.

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Presentation on theme: "DMMC SURFACE TRANSPORTATION PROGRAM. HIGHLIGHTS OF HIGHWAY COST- EFFECTIVENESS METHODOLOGY z5 Weighted Categories Of Benefits. zExisting And 20-yr Design."— Presentation transcript:

1 DMMC SURFACE TRANSPORTATION PROGRAM

2 HIGHLIGHTS OF HIGHWAY COST- EFFECTIVENESS METHODOLOGY z5 Weighted Categories Of Benefits. zExisting And 20-yr Design Traffic Scenarios. zCompare Build Vs. No-build For Each Traffic Scenario. zUse of Algorithm that Combines Pavement Surface Condition with Volume/Capacity Ratio. HCS or SYNCHRO for intersections. zReview latest CRF’s and Countermeasure research for application in determining Accident Reduction Benefit. zRelative Scaling Of Benefits. zFinal Cost-effectiveness Score.

3 RELATIVE WEIGHTING OF HIGHWAY BENEFIT CRITERIA

4 HIGHWAY PROJECT APPLICATION ESSENTIALS zMandatory Coordination With IDOT On Design Parameters & Project Limits. zPerform Geotechnical Survey If In Doubt About The Need For Reconstruction. zProvide 3-year Accident History By Severity Of Accident. zInclude Current ADT (& Peak Hour Turn Movements For Major Inter-sections That Will Be Improved). zCoordinate With CMAP On 20-yr. Design Traffic Projections.

5 ADT PROJECTIONS FOR STP PROJECTS REQUEST LETTER CONTACT: Mr. Don Kopec Chicago Metropolitan Area for Planning (CMAP) 233 South Wacker Drive, Suite 800 Chicago, IL 60606 TECHNICAL QUESTIONS: Ms. Claire Bozic Tel: 312-386-8744 Cbozic@CMAP.Illinois.gov PROVIDE: 1. Brief Description of Project (Reference DMMC STP Program) 2. Location Map 3. Existing ADT’s (include peak hour data if available) 4. Pertinent Land Use/Development Information START THIS PROCESS EARLY !!!

6 RECURRING HIGHWAY COST-EFFECTIVENESS RANKING ISSUES 1. Obtaining CMAP-approved Traffic Forecasts. 2. Scope-of-work (Cost) Changes. a. Insufficient Geotechnical Investigation. b. Unfamiliarity w/IDOT Design Criteria & Policies. c. Project Limits Not Extended Far Enough. d. Unresolved Local Issues. 3. Annual Updates Of Traffic & Accident Data. 4. Adjusting Project Cost For Inflation (Allowable Cost Increase Includes Inflationary Effects).

7 HIGHWAY APPLICATION REMINDERS 1.For street segment improvements, crash data should be only for the approaches being improved at termini or mid-block intersections. 2.Include traffic and geometric/traffic control data for adjacent intersections if your project anticipates a diversion effect. 3.If the project includes signalized intersections that are part of a closed-loop system, include peak and off-peak system cycle lengths with the application.

8 MINIMUM TCM ELIGIBILITY CRITERIA zMunicipal Or County Sponsor zCommitment For Local Match zCommitment For On-going Maintenance and/ Operation. zConsistent With Local/Regional Plans zNot A Recurring Or Areawide Program zEligible Project Type zSatisfies Minimum Design Criteria / Warrants zSpecial ITS Eligibility Criteria

9 TCM EVALUATION CRITERIA yEmissions Reductions (X2) yBenefit Area (X2) yTime To Realize Benefits (X1) yCongestion Mitigation (X1) yProject Innovation (X1) yPriority Target Area (X1) (currently “Transit)

10 FEASIBILITY STUDIES & DEMONSTRATION PROJECTS PROJECT ELIGIBILITY Not a stand-alone design or construction engineering project. Satisfies minimum Fed, State, Regional, DMMC guidelines. May have to meet a minimum (threshold) evaluation score established by DMMC. PROJECT EVALUATION Projects rated low to high on a scale of 1 to 5 on the following criteria: -Project Innovation -Application for Other Areas -Implementation Potential -Priority Target Area


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