Bicycle Railing Height Report - AASHTO - Subcommittee on Design

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DETERMINATION OF APPROPRIATE RAILING HEIGHTS FOR BICYCLISTS -FINAL- Prepared by: J. Scott Lewendon, R.L.A. Anthony M. Papile, P.E. Robert Leslie III WINNERS CIRCLE, ALBANY, NY 12205
DETERMINATION OF APPROPRIATE RAILING HEIGHTS FOR BICYCLISTS NCHRP 20-7 (168) TABLE OF CONTENTS CHAPTER 1 - INTRODUCTION...........................................................................1 Background................................................................................................................................................... 1 Purpose of Study........................................................................................................................................... 2 Organization of Study .................................................................................................................................. 2 Results of the Literature Review................................................................................................................. 3 CHAPTER 2 - HISTORY OF RAILING HEIGHT GUIDELINES............................5 CHAPTER 3 - EXISTING STATE OF ART OF BICYCLE RAILING DESIGN......7 Existing Policy............................................................................................................................................... 7 Existing Guidelines....................................................................................................................................... 7 <strong>AASHTO</strong> Guidelines for Bridges.............................................................................................................. 7 <strong>AASHTO</strong> Guidelines for the Development of <strong>Bicycle</strong> Facilities............................................................ 10 European and Foreign Guidelines............................................................................................................ 11 State and Local Guidelines ...................................................................................................................... 12 The “Design Bicyclist” ............................................................................................................................... 12 CHAPTER 4 - SURVEY RESULTS ....................................................................17 Survey Respondents................................................................................................................................. 17 Issues and Preferences ............................................................................................................................... 18 Advantages and Disadvantages of a 1.4-meter (54-inch) <strong>Railing</strong> <strong>Height</strong>................................................ 18 Advantages and Disadvantages of a 1.1-meter (42-inch) <strong>Railing</strong> <strong>Height</strong>................................................ 18 Preference ................................................................................................................................................ 18 Crash History.............................................................................................................................................. 20 Limitations of Available Crash Data ....................................................................................................... 20 Crashes <strong>Report</strong>ed Through the Survey and Outreach Process................................................................. 21 CHAPTER 5 - ISSUES RELATED TO BICYCLING RAILING HEIGHTS ..........23 Perceived Safety of Falling......................................................................................................................... 23 Views and Aesthetics .................................................................................................................................. 24 <strong>Railing</strong> Aesthetics .................................................................................................................................... 24 Impacts on Visual Quality ....................................................................................................................... 25 Interruption of Views and Sight Lines ..................................................................................................... 25 The Effect of <strong>Railing</strong> <strong>Height</strong> on the View................................................................................................. 26 The Effect of <strong>Railing</strong> Transparency on the View ..................................................................................... 27 Cost .............................................................................................................................................................. 28 i
Page 1: NCHRP NATIONAL COOPERATIVE HIGHWAY
Page 5 and 6: DETERMINATION OF APPROPRIATE RAILIN
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BICYCLE RAILING HEIGHT SURVEY STATE
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5-3. Did the bicyclist fall over th
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Extra expense (significant issue wh
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BICYCLE RAILING HEIGHT SURVEY ADVOC
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2-6. What was the serverity of the
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APPENDIX B
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Bicycle Railing Height Report - AASHTO - Subcommittee on Design

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