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Accelerating Solutions for Highway Safety, Renewal, Reliability, and Capacity

Explore the innovative projects and initiatives of the AASHTO Design Subcommittee in Albuquerque, NM. This comprehensive program focuses on capacity, safety, reliability, and renewal in order to improve highway infrastructure. Discover the short-term, results-oriented, and non-traditional approaches that are being implemented to enhance the efficiency and effectiveness of our highways.

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Accelerating Solutions for Highway Safety, Renewal, Reliability, and Capacity

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  1. Accelerating solutions for highway safety, renewal, reliability, and capacity AASHTO Design Subcommittee Albuquerque, NM July 17, 2008

  2. HALLMARKS • Short-term • Results-oriented • Non-traditional areas • Quantum leaps, major advances • Inter-related projects • Emphasis on openness

  3. FOUR FOCUS AREAS

  4. SHRP 2 Capacity Research Integrate mobility, economic, environmental, and community needs into the planning and design of new highway capacity$18 million 8 Projects

  5. Decision Points and Decision Makers Long-Range Corridor Environmental Design Permitting Planning Planning Review MPOs DOTs Pricing Effects of Congestion Advocacy Models and Assignments FHWA Collaborative Performance Measures Effects of Road Management Habitats & Wetlands Decision Making Effects of Technology Elected Officials Planning and NEPA Citizens EconomicImpact and Land Use Resource Agencies

  6. Highlights-Capacity • Travel Demand Model Partnerships (C10): States/MPOs can partner with bidders • Workshops on Key Decision Points (C01): need folks from “the trenches” • Web-based Performance Measures (C02): project finishes in a month • Case studies on economic impacts of highway expansion (C03): suggestions needed for cases • Contributions of operations, technology, design (C05): need data sources on arterial flow

  7. SHRP 2 Safety Research Understanding DrivingBehavior $43.2 Million 11 Projects

  8. 2 Safety Research Tracks In-Vehicle Study Data Collection 2500+ Drivers Data Analysis Crash Risk Traffic Roadway Conditions Traffic Controls Weather Distractions Countermeasures Data Collection Vehicles at Intersections Data Analysis Crash Risk Site-Based Study

  9. Highlights-Safety • Finalize sample design: driver and vehicles factors (S05) • Selection of sites for field study (S07) • Urban, rural, suburban • Weather, topography, design factors • Other data sources • Qualified contractors • Rodeo to test roadside/roadway data collection capabilities (S03/S04)

  10. SHRP 2 Reliability Research reduce congestion through incident reduction, management, response, and mitigation $18 million 12 projects

  11. Reliability Performance Measures • Travel Time Variability • Travel time index: Average travel time/free-flow travel time • Planning time index: 95th percentile travel time index • Buffer time: time added to trip to arrive within a window with acceptable probability • Buffer index: (mean – 95 percentile)/mean

  12. Traffic Math 10175 vs. 90 Minutes Clearance Time:Explaining the Value of 15 Minutes Saved • Example: • I-5 northbound, Fife vicinity • Average 8% trucks • Two (of four) lanes blocked • 6:00 a.m., typical Wednesday • $14 - $18/hour Auto Delay Cost • $56/hour Truck Delay Cost • Cost savings of clearing 15 minutes faster = $146,000 Source: WSDOT

  13. Highlights — Reliability • Project L06 (PB Consult) • Workshop on Institutional Barriers to Non-Recurring Congestion Management Strategies • Project L03 (Cambridge Systematics) • Potential Performance Measures and Mitigation Strategies for Evaluation • L01 (Midwest Research Institute) • Identification of Case Studies of Successful Integration of N-RC Operations Business Processes

  14. SHRP 2 Renewal Research Get in, Get out, Stay out $28.9 million 14 Tracks

  15. Rapid Approaches Successful Renewal Minimal Disruption Long-Lived Facilities 3 Strategic Objectives with 5 Integrated Research Tracks for Successful Highway Renewal

  16. Technology Project Delivery Successful Renewal Integrated approach

  17. R06. High-Speed NDT R07. Performance Specs Incentive Specs Warranties R09. Risk Manual for Renewal Contracts Integrated Tactic 1 Enable Performance-Based Renewal • Rapid Approach • Minimum Disruption • Long Life

  18. Integrated Tactic 2 R16: Railroad-DOT Mitigation Strategies R01: Locating & Characterizing Utilities R11: Approaches at Corridor/Network Level Facilitate Project Start-up R15: Integrating Utility and Transp. Agency Priorities • Minimum Disruption • Rapid Approach R09: Risk Manual for Rapid Renewal Contracts R06: High-Speed NDT R04: Innovative Bridge Designs

  19. Integrated Tactic 3 R23. Using Existing In-place Pavement R04. Innovative Bridge Designs Accelerate Construction R02. Geotechnical Solutions R05. Modular Pavement • Rapid Approach • Minimum Disruption R06. High-Speed NDT R10. Innovative Project Management R03. Reducing Personnel Fatigue

  20. Integrated Tactic 4 R23. Using Existing In-place Pavement R21. Composite Systems Reduce Maintenance Frequency • Minimum Disruption • Extends Life R19. Durable Bridge Systems R26. Preservation Approaches R02. Geotechnical Solutions R06. High-Speed NDT

  21. Integrated Tactic 5 Facilitate Responsive Contracting • Rapid Approach • Minimum Disruption • Long Life R07. Performance Specs Incentive Spec Warranties R09. Risk Manual for Renewal Contracts R04. Innovative Bridge Designs R10. Innovative Project Management R03. Reducing Personnel Fatigue

  22. Highlights - Renewal • Preliminary results: • Approaches for mitigating impacts of utility relocation (R15) • Locating underground utilities (R01) • Non-destructive testing (R06) • Refined research plans for follow on detailed development project

  23. SHRP 2 Research Related to Design • Primarily in 2 focus areas • Renewal • Reliability • Deliverables • Design Guidelines • Procedures • Other tools (data gathering, etc) • Training programs • Design specifications (bridges)

  24. Design Guidelines • State DOT help needed (R23) • Guideline development (4 DOTs min) • Workshops planned for 2009 and 2010 L07 Evaluation of Costs and Effectiveness of Highway Design Features to Improve Travel Time Reliability $2.5 M Identify state of reliability-related design practice. Develop guide book and dissemination plan R02 Geotechnical Solutions for Soil Improvements, Rapid Embankment Construction and Stabilization of the Pavement Working Platform $3.0M Develop design guidelines for mechanical and chemical treatment of base, sub-base and subgrade layers Develop design guidelines and criteria for the use of various options R23 Using Existing Pavement in Place and Achieving Long Life $1.0 M

  25. Design Procedures Feasibility study of potential uses. Develop generic Modular Pavement Design Procedures R05 Modular Pavement Technology $1.0 M Procedures for development of composite pavement systems. Development of design manuals R21 Composite Pavement Systems $4M

  26. Data gathering and such Report documenting current techniques and practices, software toolbox, R&D plan Future SHRP2 Projects R01 Encouraging Innovation in Locating and Characterizing Underground Utilities $300K ($5M) R06-A NDT to Identity Bridge Deck Deterioration RFP advertisement July 29 R06-D NDT to identify Delaminations between HMA Layers RFP advertisement July 29 R06-E Development of Continuous Deflection Sensors RFP advertisement July 29 R15-B Utility Conflict Identification and Solutions RFP advertisement July 29

  27. Training Programs R15-A Model Curricula and Certification Programs for Utility Relocation RFP advertisement July 29

  28. Design Specifications New methods for accelerated bridge design and construction. AASHTO-formatted LRFD design specifications R04 Innovative Bridge Designs for Rapid Renewal $2.0 M R19-A & B Bridges for Service Life beyond 100 years $2M + $1M AASHTO-formatted LRFD design specifications

  29. RFPs to be released on July 29 R06-A: NDT to identify concrete bridge decks deterioration R06-B: Evaluating Applications of Field Spectroscopy Devices to Fingerprint Commonly Used Construction Materials R06-C: Using Infrared and High Speed Ground Penetrating Radar for Uniformity measurement on New HMA Layers R06-D: NDT to identify Delimitations between HMA Layers R06-E: Development of Continuous Deflection Sensors R06-F: Real-Time smoothness measurements of PCC Pavements During Constructions R06. Plan for Developing High-Speed NDT Procedures for Design Evaluation and Construction Inspection

  30. R15. Strategies for Integrating Utility and Transportation Agency Priorities in Renewal Projects RFPs to be released on July 29 R15-A: Model Curriculum and Certification Programs in Utility Relocation Engineering R15-B: Utility Conflict Identification and Solutions

  31. Thank you for listening! http://www.trb.org/shrp2/

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