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Rights & Permissions Free PDF Access Sign in to download PDF book and chapters Free Resources Display this book on your site! Related Titles NCHRP Report 562: Improving Pedestrian Safety at Unsignalized Crossings NCHRP Synthesis 432: Recent Roadway Geometric Design Research for Improved Safety and Operations Other Related Titles NCHRP Report 674: Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities (2011) National Cooperative Highway Research Program (NCHRP) Citation Manager Export the bibliographic data for this book in your chosen format Web Search Builder Use this book's key terms to search within this book, across our collection, or across the Web. Skim This Chapter Skim this chapter and use this chapter's key terms to search within this book. Reference Finder Paste in your own text to find books that relate to your topic. Citation Manager Rodegerdts, Lee, Guth, David, Long, Richard, Bentzen, Billie Louise, Schroeder, Bastian, Emerson, Robert Wall, Hughes, Ronald, Rouphail, Nagui, Cunningham, Christopher, Salamati, Katy, Kim, Dae, Barlow, Janet, Myers, Ed, Transportation Research Board. "Appendix A - Detailed Results." NCHRP Report 674: Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities. Washington, DC: The National Academies Press, 2011. Please select a format: Page 99   E-mail Share on facebook Facebook Share on delicious Delicious Share on stumbleupon Stumble Share on twitter Twitter More Sharing ServicesMore Page 99 Front Matter (R1-R11) Summary (1-9) Safety Is Not Synonymous with Access (10-10) Scope of Work (11-11) Content of This Report (12-12) Facility Design (13-14) Locating the Crosswalk (15-15) The U.S. Access Board and ADA (16-16) Midblock Crossings and Conventional Intersections (17-18) Blind Pedestrian Crossing Experiments (19-19) Driver Information Treatments (20-20) Crosswalk Geometric Modification (21-21) Signalization Treatments with APS (22-22) Grade-Separated Crossing (23-23) Participants (24-24) Participant Questionnaires (25-25) Identification and Selection of Treatments (26-26) Site Selection (27-27) Selection of Treatment Sites (28-33) Crossing Performance Characteristics (34-34) Opportunity Utilization Criterion (35-35) Event Definitions (36-36) Performance Measures (37-38) Performance Measure Example (39-39) Research Hypotheses (40-42) Crossing Performance Results (43-44) Participant Feedback (45-45) Impact on Vehicular Traffic (46-46) Study Overview (47-47) Crossing Performance Results (48-49) Impact on Vehicular Traffic (50-50) Crossing Performance Results (51-54) Participant Feedback (55-55) Compliance with Signal Indications (56-57) Impact on Vehicular Traffic (58-58) Summary of Results (59-61) Introduction (62-62) Results (63-66) Model Comparison (67-68) Model Application (69-72) Extension to Safety Modeling (73-73) Applying the Framework to Simulation (74-77) Simulation-Based Analysis of Signalized Crosswalks (78-80) Discussion (81-81) Synthesis of Approach (82-82) Implications of Field Study Results (83-84) Policy Implications (85-85) The Impact of Vehicle Speed (86-86) Inter-Participant Variability (87-87) Learning Effect and O&M Training (88-88) Confidence in Decision-Making (89-89) Viability of Interventions as a Measure of Risk (90-90) Driver Yielding and Enforcement (91-91) Channelized Turn Lanes (92-92) Two-Lane Roundabouts (93-93) Future Research Needs (94-96) References (97-98) Appendix A - Detailed Results (99-100) Crossing Statistics for CTL Site and Treatments (101-107) Channelized Turn Lane Results Summary (108-109) Crossing Statistics for Crosswalk (110-114) Golden, CO, Single-Lane Roundabout Summary (115-115) Site Description (116-117) Crossing Statistics (118-119) Discussion (120-120) Pretest Pedestrian Behavior at the RCW (121-122) Posttest Pedestrian Behavior at the RCW (123-123) Performance Statistics for RCW (124-126) RCW Summary (127-127) Pretest Pedestrian Behavior at the PHB Crosswalk (128-129) Posttest Blind Pedestrian Behavior at the PHB Crosswalk (130-132) Performance Statistics at the PHB Crosswalk (133-135) Driver Behavior at the PHB (136-137) PHB Crosswalk Summary (138-139) Appendix N - IRB Approval and Consent Forms (140-140) Abbreviations used without definitions in TRB publications (141-141)

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OCR for page 99
99 APPENDIX A Detailed Results This appendix contains five parts detailing analysis results for the different studies performed under NCHRP Project 3-78A: Part 1: Detailed Channelized Turn Lane Results Part 2: Detailed Single-Lane Roundabout: Golden, CO Part 3: Detailed Single-Lane Roundabout: North Carolina Part 4: Detailed Two-Lane Roundabout: Golden, CO ­ RCW Part 5: Detailed Two-Lane Roundabout: Golden, CO ­ PHB

OCR for page 100
100 CONTENTS 101 Part 1 Detailed Channelized Turn Lane Results 101 Introduction 101 CTL Analysis Results 101 Site Description 101 Crossing Statistics for CTL Site and Treatments 108 Channelized Turn Lane Results Summary 110 Part 2 Detailed Single-Lane Roundabout: Golden, CO 110 Introduction 110 Golden Single-Lane Analysis Results 110 Site Description 110 Crossing Statistics for Crosswalk 115 Golden, CO, Single-Lane Roundabout Summary 116 Part 3 Detailed Single-Lane Roundabout: North Carolina 116 Introduction 116 North Carolina Single-Lane Analysis Results 116 Site Description 118 Crossing Statistics 120 Discussion 121 Part 4 Detailed Two-Lane Roundabout: Golden, CO ­ RCW 121 Introduction 121 Raised Crosswalk Evaluation 121 Raised Crosswalk Treatment Overview 121 Pretest Pedestrian Behavior at the RCW 123 Posttest Pedestrian Behavior at the RCW 124 Performance Statistics for RCW 127 RCW Summary 128 Part 5 Detailed Two-Lane Roundabout: Golden, CO ­ PHB 128 Introduction 128 Pedestrian Hybrid Beacon Evaluation 128 Pedestrian Hybrid Beacon Treatment Overview 128 Pretest Pedestrian Behavior at the PHB Crosswalk 130 Posttest Blind Pedestrian Behavior at the PHB Crosswalk 133 Performance Statistics at the PHB Crosswalk 136 Driver Behavior at the PHB 138 PHB Crosswalk Summary