The 2012 AASHTO Bike Guide: An Overview

Transcription

The 2012AASHTO BikeGuide: AnOverviewPresentation by:Jennifer Toole, AICP, ASLAPeter LagerweyAugust 10, 2012{Enter Module Name on Master Slide}

WEBINAR #1: OVERVIEW OF 2012 AASHTO BIKEGUIDEToday’s Webinar Some Background Major Content Changes Chapter by ChapterIntro to Content ChangesOverview of the 2012 AASHTO Guide

FUTURE WEBINARS August 22: Planning Chapter September 4: On-RoadBikeways Bike Lanes (includingIntersections) September 18: On-RoadBikeways Shared lanes Bicycle boulevards & signing October 9: Shared Use Paths General design principles Pathway geometry October 23: Shared Use Paths Intersection Design Mid-block crossings November 6: BikewayMaintenance and Operation SignalsOverview of the 2012 AASHTO Guide

DISCOUNT FOR WEBINAR ic/AASHTO Promo Flyer.pdfOverview of the 2012 AASHTO Guide

BACKGROUNDÂWhat is AASHTO? Mission: “provides technical servicesto support states in their efforts toefficiently and safely move people andgoods”ÂSome history 4th Edition of the Guide Last Guide – 1999, largely writtenin 96-98ÂStandards vs. guidanceOverview of the 2012 AASHTO Guide

HOW THE GUIDE WAS DEVELOPED NCHRP - National Academy ofSciences Pre-Study Preparation of the content of the4th Edition Final edits/State DOT ballotingprocessOverview of the 2012 AASHTO Guide

PREPARATION OF CONTENTProject TeamNCHRP Panel Toole Design GroupJennifer Toole – Principal Investigator Dwight Kingsbury, Chair Subconsultants: David Church, P.E. John LaPlante, P.E., PTOE Michael Moule, P.E. Michael Ronkin Denise Chaplick Ann Do Eric Glick Mia Birk Thomas Huber Matthew Ridgeway Mary Meletiou Shawn Turner, P.E. Richard Moeur, P.E. Srinivasa Sunkari, P.E. William Prosser, P.E. Bill Hunter William Riccio, Jr., P.E. Cara Seiderman Richard PainOverview of the 2012 AASHTO Guide

HOW THE AASHTO BIKE GUIDE IS USEDÂState DOTs Basis for State Guides orStandardsÂLocal Jurisdictions Use State version of theAASHTO Bike Guide, or Develop own version of theAASHTO Bike GuideOverview of the 2012 AASHTO Guide

RELEASE OF THE GUIDE – JUNE 2012ÂSold 1200 copies in the firstmonthÂGuide expanded from 75 pagesto over 200 pagesÂ3 chapters to 7 chaptersOverview of the 2012 AASHTO Guide

RELATIONSHIP TO OTHER MANUALSÂ2009 MUTCD – FHWAÂ2011 AASHTO GreenBookÂPublic Right-of-WayAccessibility Guidelines(PROWAG)Â2010 Highway CapacityManualOverview of the 2012 AASHTO Guide

AASHTO VS. NACTO GUIDES: EITHER/OR? AASHTO covers paths onroad bikeways AASHTO covers designcomprehensively AASHTO covers many – butnot all innovations NACTO is a source ofinformation for solutions thatare currently being testedOverview of the 2012 AASHTO Guide

MAJOR CHANGES IN 2012 GUIDEÂGuidance on how to choosebikeway typeÂAffirms lane diets and roaddietsÂExpanded bike lane guidanceÂExpanded signal guidanceÂExpanded shared use pathguidance (including pathsadjacent to roads)Overview of the 2012 AASHTO Guide

CHOOSING BIKEWAY TYPE – 1999 GUIDEÂNo differentiation of whattype of bikeway wasappropriate given roadwaycharacteristicsOverview of the 2012 AASHTO Guide

CHOOSING BIKEWAY TYPE – 2012 GUIDEÂDetailed guidance on facilityselection.ÂSupport for bike lanes andshared use paths wherevolumes and speeds arehigher.Overview of the 2012 AASHTO Guide

CHOOSING BIKEWAY TYPE – 2012 GUIDEÂMultiple warnings againstusing wide curb lanes as astandard solution for majorroadwaysÂDiscusses the appropriate useof shared lanesÂWide curb lanes may haveshared lane markings & signsOverview of the 2012 AASHTO Guide

CHOOSING BIKEWAY TYPE – 2012 GUIDEÂRefers to Bicycle Level ofService as a toolÂProvides roadwaycharacteristics to considerÂAlso states that bike routesare not a “bikeway type”Overview of the 2012 AASHTO Guide

LANE DIETS AND ROAD DIETSÂPermission to narrow lanewidths to create bike lanesÂ10’ and 11’ wide travel lanesare acceptableÂProvides guidelines for roaddietsOverview of the 2012 AASHTO Guide

BIKE LANESÂNuanced guidance on widths(4 to 7 feet)ÂMeasures to reduce crasheswith car doorsÂBike lanes adjacent to back-inangle parkingÂBike lanes at roundaboutsOverview of the 2012 AASHTO Guide

BUFFERED BIKE LANESÂBetween the bike lane andparking lane – or;ÂBetween the bike lane andthe adjacent travel laneOverview of the 2012 AASHTO Guide

GREEN BIKE LANES“Based on Interim Approval issuedby FHWA in April 2011, contrastinggreen color pavement may be usedin marked bike lanes, and inextensions of bike lanes throughintersections and other trafficconflict areas, such as merge areaswhere turning vehicles must cross athrough bike lane.” (p. 4-20)Overview of the 2012 AASHTO Guide

BACK-IN ANGLED PARKINGÂBike lanes notrecommended at front-inangle parkingÂProvides design guidancefor bike lanes at front ofback-in angle parkingOverview of the 2012 AASHTO Guide

SHARED USE PATHSÂNew guidance –intersections,crossings and side pathsÂBollards are discouragedÂNo single design speedÂ5% grade – no landings (referto US Access Bd.)Overview of the 2012 AASHTO Guide

PATHS ADJACENT TO ROADWAYS Expands discussion ofoperational problems Acknowledges reasons forbuilding paths adjacent toroadways Provides guidance on whenand where thesefacilities are appropriateÂguidance considerationsOverview of the 2012 AASHTO Guide

ONE-WAY SIDEPATHSÂ “May be possible” to placeone-way paths on both sidesof a roadway (type of cycletrack)Â Provides planning and designconsiderationsOverview of the 2012 AASHTO Guide

SIGNALSÂShould accommodate bicyclistsÂNew guidance on minimum green,extension time when bicyclist ispresentÂNew formulasÂNew information on bicycledetectionÂAllows bicycle specific signalsOverview of the 2012 AASHTO Guide

BICYCLE BOULEVARDS New guidance explainswhat they are, and howthey can be used tobenefit bicyclists Guide provides designtreatments for creatingbicycle boulevardsOverview of the 2012 AASHTO Guide

MAJOR CONTENT CHANGESIntegrating Bikes with TransitÂBike access to transit vehiclesÂBike parking at transit stationsÂBikeways to transitÂPromoting bikes on transitOverview of the 2012 AASHTO Guide

ISSUES NOT ADDRESSED BY THIS GUIDEÂBike boxesÂRaised bike lanesÂBicycle signal headsOverview of the 2012 AASHTO Guide

CHAPTER BY CHAPTER – INTRO TOCONTENT CHANGESTable of ContentsÂ1: IntroductionÂ2: Bicycle PlanningÂ3: Bicycle Operation &SafetyÂ4: Design of On-RoadFacilitiesÂ5: Design of Shared UsePathsÂ6: Bicycle ParkingFacilitiesÂ7: Maintenance andOperationsOverview of the 2012 AASHTO Guide

CHAPTER 1INTRODUCTIONÂSimilar to previous guidesÂRetains strong statement:“All roads, streets, andhighways, except those wherebicyclists are legallyprohibited, should be designedand constructed under theassumption that they will beused by bicyclists.”Overview of the 2012 AASHTO Guide

CHAPTER 2BICYCLE PLANNING Bicyclists need accommodation on ALLroadways Prioritize most important improvements Explains: The practical approach of network planning Choosing an appropriate facility type Multiple facilities on a single corridor WayfindingOverview of the 2012 AASHTO Guide

CHAPTER 2TECHNICAL ANALYSIS TOOLSÂData collection: bike countsÂQuality of service toolsÂSafety analysisÂGIS-based network planningÂBicycle travel demand analysisÂCost benefit analysisÂKey role of public inputOverview of the 2012 AASHTO Guide

CHAPTER 3BICYCLE OPERATION AND SAFETY Sets the stage for Design Chapters Organizes info on design vehicle Characteristics of Emerging Roadand Trail Users (FHWA Study) Overview of traffic principles forbicycles Positioning on the roadway indifferent situations Causes of bicycle crashes Urban vs. rural Young vs. adult riders Etc.Overview of the 2012 AASHTO Guide

CHAPTER 4DESIGN OF ON-STREET FACILITIESMost expanded section inAASHTO Bike Guide New/more guidance on bike lanes Buffered bike lanes Green bike lanes Nuance on width (4’ to 7’) Designs to reduce ‘dooring’ Climbing lanes Complex intersectionsOverview of the 2012 AASHTO Guide

CHAPTER 4DESIGN OF ON-STREET FACILITIESNew sections Shared lane markings Where to use Placement Bicycle boulevards When and where to use Treatments Wayfinding signage Guidance on design & placement Deemphasizes bike routes (not afacility type)Overview of the 2012 AASHTO Guide

CHAPTER 4DESIGN OF ON-STREET FACILITIESNew guidance on trafficsignalsÂClearance intervalsÂMinimum green timeÂNew “Bicycle Signal”ÂTechnical guidance onbike detectionÂSpecial signal typesOverview of the 2012 AASHTO Guide

CHAPTER 4DESIGN OF ON-STREET FACILITIESNew/revised guidance Paved Shoulders (includingrumble strips) Roadway Bridges Bicycles and Traffic Calming Bicycles on Freeways Bicycles at RoundaboutsOverview of the 2012 AASHTO Guide

CHAPTER 5DESIGN OF SHARED USE PATHS New stand-alone chapter Reflects several significant studies:ÂCharacteristics of Emerging Trailand Roadway UsersÂShared Use Path Level of ServiceÂSafety Effects of Marked VersusUnmarked Crosswalks atUncontrolled Locations Fills missing gaps in the old GuideOverview of the 2012 AASHTO Guide

CHAPTER 5DESIGN OF SHARED USE PATHS New AccessibilityRequirements Width of Pathways Nuanced guidance on widths Safety Rail Guidelines Slopes/shoulders/railingheightsOverview of the 2012 AASHTO Guide

CHAPTER 5DESIGN OF SHARED USE PATHS Revised Guidance on Design Speed “No single design speed” for paths Revised Guidance on HorizontalAlignment Formula is now based on lean anglerather than super elevation New Guidance on Speed Controlon Paths Introduces geometric design and otherideas to reduce speedOverview of the 2012 AASHTO Guide

CHAPTER 5DESIGN OF SHARED USE PATHSÂRevised Running GradesÂOptions to mitigate excessivegradesÂStopping Sight DistanceÂNew braking friction factorÂLonger stopping distancesOverview of the 2012 AASHTO Guide

CHAPTER 5DESIGN OF SHARED USE PATHSÂExpanded guidance on bridgesand underpassesÂLightingÂNighttime lighting, intersections,securityÂPath-roadway intersectionsÂDesign considerationsÂMidblock crossingsÂAssignment of ROWOverview of the 2012 AASHTO Guide

CHAPTER 6BICYCLE PARKING FACILITIESÂPlanning for bicycleparkingÂShort-term bicycleparkingÂLocationÂDesignÂSpecial types of racksÂLong-term bicycleparkingOverview of the 2012 AASHTO Guide

CHAPTER 7MAINTENANCE AND OPERATIONS Sweeping Utility cuts Surface repairs Snow removal Pavement overlays Spot improvement programs Vegetation Operation during construction Loop detectors Signs, stripes and legends Drainage facilities Chip sealing Patching activitiesOverview of the 2012 AASHTO Guide

QUESTIONS?Contact Information:Jennifer TooleToole Design Groupjtoole@tooledesign.com@tooledesignPeter LagerweyToole Design Groupplagerwey@tooledesign.comAASHTO 20% AASHTO Promo Flyer.pdfOverview of the 2012 AASHTO Guide

FUTURE WEBINARS August 22: Planning Chapter September 4: On-RoadBikeways Bike Lanes (includingIntersections) September 18: On-RoadBikeways Shared lanes Bicycle boulevards & signing October 9: Shared Use Paths General design principles Pathway geometry October 23: Shared Use Paths Intersection Design Mid-block crossings November 6: BikewayMaintenance and Operation SignalsOverview of the 2012 AASHTO Guide

Standards ÂLocal Jurisdictions ÂUse State version of the AASHTO Bike Guide, or ÂDevelop own version of the AASHTO Bike Guide. Overview of the 2012 AASHTO Guide ÂSold 1200 copies in the first month ÂGuide expanded from 75 pages to over 200 pages Â3 chapters to 7 chapters RELEASE OF THE GUIDE – JUNE 2012. Overview of the 2012 AASHTO Guide Â2009 MUTCD – FHWA Â2011 AASHTO