arizona department of transportation what's next for ... · the mutcd • m anual on u niform...
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The Manual on Uniform TrafficControl Devices
What's next for bicyclists?
Richard C. Moeur, PEArizona Department of Transportation
National Committee on Uniform Traffic Control Devices
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The MUTCD
• Manual on UniformTraffic Control Devices
• National standard for all traffic control inthe United States
• Defines standards & guidelines for:• Signs• Markings• Traffic signals• Work zones & other temporary controls• Railroad crossings
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Manual on UniformTraffic Control Devices
• Ensures similar situations are treated insimilar manner for all road users• Improves traffic flow• Improves safety• No "surprises"!
• MUTCD defines uniformity of• Color• Shape• Legend• Placement
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The MUTCD
• 10 parts• 1 - General• 2 - Signs• 3 - Markings• 4 - Traffic Signals• 5 - Low Volume Roads• 6 - Temporary Traffic Control• 7 - School Areas• 8 - Railroad Crossings• 9 - Bicycle Facilities• 10 - Light Rail
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NCUTCD
• National Committee on UniformTraffic Control Devices
• Provides expert input to FHWA onMUTCD
• Over 200 technical members fromacross US
• LAB is voting member• Bicycle Technical Committee focuses
on issues affecting bicyclists
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Submitted by NCUTCD toFHWA for next MUTCD
• Improved bicycle guide signing:• Travel mode signs for shared-use paths• New bicycle guide & wayfinding signs• Numbered route signs with local agency
symbol / logo• Improved system of route auxiliaries• Revised name/design for US Bike Rte sign• Mileposting for paths
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Submitted by NCUTCD toFHWA for next MUTCD
• Other improvements:• Bike Lane sign - recommended but not
mandatory• Pedestrian walking speed• Other minor "clean-ups"
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Mode Signs for Paths
• Addresses different modes on paths• New prohibition signs for skaters,
equestrians
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Mode Signs for Paths
bike/skate path pedestrian path
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Bicycle Guide &Wayfinding Signing
• System of bicycle-specific direction /distance signing• Big improvement from old "BIKE ROUTE"• Based on systems in other countries, but
"Americanized"
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New M1-8a
• Optional numbered bicycle route markerincluding local agency symbol or logo
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Route Marker Auxiliaries
• Improve signing consistency• Complete revamp of auxiliaries
for bikes• Replace old M4/M7 plaques
with bike-size versions of signsused on other road facilities
• Includes all relevant auxiliaries•Directions•Route type•Arrows
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Revised M1-9• Changed design to emphasize bicycle symbol• Changed name to better reflect application
New name: US Numbered Bicycle Route Sign
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Reference Markers (Mileposts)for Paths
• Similar to standard milepostmarkers, but scaled appropriately
• Provides reference points forincidents, maintenance, traveldistance, etc.
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Bike Lane Signing
• 2003 MUTCD requires bike lane signs tobe installed along all marked bike lanes
• Some agencies wanted more flexibility• Some states don't use bike lane signs• Wording change so that use of bike lane
signs is recommended, but not alwaysmandatory
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"Bicycle Trail" vs "Bikeway"
• Wording in 2003 MUTCD refers to itbeing applicable to all "bicycle trails"
• MUTCD standards & guidelines are notappropriate for unpaved, unimprovedtrails
• Recommended that MUTCD apply to"bikeways" instead of "bicycle trails"
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Pedestrian Walking Speed
• 4 ft/s pedestrian walking speed used forsignal clearance timing in MUTCD fordecades
• 50% of pedestrians are slower than 4 ft/s• Study: 85% of pedestrians walk at 3 1/2
ft/s or faster• Recommendations:• 3 1/2 ft/s maximum walking speed• 3 ft/s suggested when appropriate
• May require retiming of many signals
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W5-4a
• Current sign: "BIKEWAY NARROWS"• "Bikeway" not well understood by users
• Sign changed to: "PATH NARROWS"
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Pending Issues(not yet endorsed by NCUTCD)
• Going beyond "Share The Road":
• Shared Roadway Marking
• Bicycle Lane Use Regulatory Signs
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Beyond "Share the Road"
• Current Share The Road signassembly established inMUTCD in 1997
• Concerns with currentsign design:• Ambiguous message• Misunderstood by some road users• Who defines "sharing?"
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Shared Roadway Marking
• Originally developed in Denver, CO
• Studied in Florida & elsewhere
• New design based on studyin San Francisco, CA
• San Francisco studyindicated markingswere effective inimproving roaduser behavior
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Shared Roadway Marking
• Proposal developed by BTC in 2004• Based on California MUTCD Supplement
• Sent to NCUTCD reviewers spring 2005• Mostly positive responses• Some respondents didn't seem to fully
understand application / use of marking• Presented to NCUTCD Council June 2005• Vote 19-11-3• Simple majority, but not required 2/3• NO NCUTCD endorsement (yet…?)
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Shared Roadway Marking
• Regardless of NCUTCD action, stillunder study by FHWA
• Currently regarded by FHWA asEXPERIMENTAL• following the MUTCD experimental process
is strongly recommended• More experiments could definitely help• Please don't use the
old Denver arrow!
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Bicycle Lane Use Regulatory Sign
• UVC states that bicyclists may "take thelane" if too narrow for safe overtaking
• Many road users don't understand this...• BTC proposed a new standard sign for
these situations• Similar to• SLOWER TRAFFIC
KEEP RIGHT• PASS WITH CARE
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Bicycle Lane Use Regulatory Sign
• Still under study by NCUTCD• (No vote yet)
• Sign can be used by agencies now iflocal law supports• It's already
MUTCD-compliant
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MUTCD Update Process
• Experimentation• Process described in Section 1A.10 of
MUTCD• FHWA approval required for:• New symbols or combination of symbols• New colors or application of colors• Non-compliant devices
• Advantages of FHWA involvement:• Protection from liability• More likely for FHWA to accept results• Expert review / oversight
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MUTCD Update Process
• Rulemaking• Proposed changes published in Federal
Register• 3-6 month public comment period• FHWA collects comments• 12-18 months to review & analyze
• Final Rule published in Federal Register• Adoption• States have 2 years to adopt
• Adopt Federal manual• State supplement (minor modifications)• State manual (must be in “substantial conformance”)
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Potential BTC Projects(Long-Term)
• Improved guidance on design of bikelanes at intersections
• Improved traffic control at path-roadwayintersections
• Signs and markings for rumble strips• Colored bike lanes• Bicycle traffic signals• Advance stop lines
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For More Info...
• FHWA’s MUTCD Website• http://mutcd.fhwa.dot.gov/
• NCUTCD Bicycle Technical Committee• http://members.cox.net/ncutcdbtc/