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Brian ParsonsFebruary 19, 2013
Overview of the
2012 AASHTO BikeGuide
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2009 MUTCD FHWA
Public Right-of-Way
Accessibility Guidelines
(PROWAG)
2010 Highway Capacity
Manual
Relationship to other
manuals
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NCHRP - National Academy of
Sciences
Scoping Study: 2004-2006
Preparation of the content of the
4th Edition: 2007-2009
Final edits/State DOT balloting
process: 2010-2012
How the Guide was
developed
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Guide expanded from 75
pages to over 200 pages
3 chapters to 7 chapters Sold 1200 copies in the first
month
Release of the guide June
2012
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Chapters
Chapter 1: Introduction
Chapter 2: Bicycle Planning
Chapter 3: Bicycle
Operation and Safety Chapter 4: Design of On-
Road Facilities
Chapter 5: Design of Shared
Use Paths
Chapter 6: Bicycle Parking
Facilities
Chapter 7: Maintenance
and Operations
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Chapters
Chapter 1: Introduction
Chapter 2: Bicycle Planning
Chapter 3: Bicycle
Operation and Safety Chapter 4: Design of On-
Road Facilities
Chapter 5: Design of Shared
Use Paths
Chapter 6: Bicycle Parking
Facilities
Chapter 7: Maintenance
and Operations
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Guidance on how tochoose bikeway type
Affirms lane diets and
road diets Expanded bike lane
guidance
Major changes in 2012
Guide
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Expanded signalguidance
Expanded shared use
path guidance(including paths
adjacent to roads)
Major changes in 2012
Guide
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No differentiation of
what type of bikeway
was appropriate given
roadway characteristics
Choosing bikeway type
1999 Guide
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Detailed guidance on facility
selection
Support for bike lanes and
shared use paths wherevolumes and speeds are
higher
Warnings against using wide
outside lane as a standard
treatment for high volume
roads
Choosing bikeway type
2012 Guide
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Permission tonarrow lane
widths to create
bike lanes
10 and 11 wide
travel lanes are
acceptable
Roadway retrofit
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Provides guidelines for road diets
Road diets
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Nuanced guidance on widths (4 to 7feet)
Measures to reduce crashes with
car doors
Bike lanes adjacent to back-in angleparking
Bike lanes at roundabouts
Buffered bike lanes
Green bike lanes, etc.
Bike lanes
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Old Guide weak
New Guide strong
Detailed guidance on all
aspects of signal design
Signal design
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Shared use paths
Extensive intersection
design guidance
Major change: paths next to
roads are not forbidden,
provides guidance on how
to design them
S O C O G id
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AASHTO covers design comprehensively
AASHTO covers paths + on-road
bikeways
AASHTO covers many but not all
innovations
NACTO is a source of information for
solutions that are currently being tested
AASHTO vs. NACTO Guides:
either/or?
h h
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Bike lanes
Cycle track design
One-way protected cycle tracks
Raised cycle tracks
Two-way cycle tracks
What is in the NACTO
Guide?
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Bike boxes and other
intersection designs (including
non-standard)
Colored pavement material
guidance
Bicycle boulevards
What is in the NACTO
Guide?
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NACTO Illustrations of bikeway
types
Wh t i NOT i th NACTO
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Planning for bicycles
Bicyclist operating characteristics
Geometric design values and details
Shared use path design Bridges
General road compatibility with bicycles
Bike parking
Maintenance
What is NOT in the NACTO
Guide?
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Bike boxes Bicycle signal
heads
Does not use the
term cycle track Warns against
putting bike lane
between parking
lane and curb
Issues NOT addressed by AASHTO
Guide
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Example: Two-Way Cycle track 15th Street
Washington, DC
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One way cycle track 9th AvenueNew York City
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Brian Parsons
Louisiana Pedestrian/Bicycle
Coordinator
(225) 379-1954