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Platzhalter Titelbild
Exploring Color Contrast: A Natural and Simple Measure to Protect Vulnerable Road Users
Marisa CruzGAIT 2015Turkish-EU Partnership for Sustainable Transportation Seminar08-09.10.2015
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How do you move around town?
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Half of the world’s road traffic deaths occur among vulnerable road users
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Source: WHO Global Status Report on Road Safety 2013. ERSO DaKoTA Trafic Safety Basic Facts - CARE Database
• Motorcyclists: 23%
• Pedestrians: 22%
• Cyclists: 5%
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Global megatrends demand innovation in road delineation
MEGATRENDS
Urbanization & accessibility
Life cycle costs & climate
protectionMobility & smart
cars
Need for innovation and creativity!
Growing population & increase in accidents
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At the end of 2008, half of the world's population was living in urban areas
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According to the UN Department of Economic and Social Affairs:
• At the end of 2008, half of the world's population lived in urban areas
• Urban areas are expected to absorb population growth
• Until 1970, Tokyo and New York were megacities
• In 2011, the world counted 23 megacities!
• By 2050, it should be between 60-100 megacities!
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Sustainable transportation in megacities is a big challenge
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Different transport modes tend to be part of urbanization
• High population density:o Megacities: 4,900 per Km2
(on average)o Amsterdam: 493 per Km2
• Increase in vehicle ownership
• Reduced travel speed, increase in congestion and pollution
Source: THE FUTURE OF PERSONAL TRANSPORTATION IN MEGACITIES OF THE WORLD , UMTRI 2010
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Reminder: cyclists and pedestrians face a particular risk
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Half of the road traffic deaths occur among vulnerable road users:
• Motorcyclists: 14%
• Pedestrians: 28%
• Cyclists: 3%
Source: WHO Global Status Report on Road Safety 2013.
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Color contrast brings flow to transportation
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Cities have tested exclusive bus/bicycle/pedestrian lanes and are actively looking for cost efficient solutions with an immediate positive impact
Increased visibility means:
Increased Safety
• Separates fast from slow moving transportation
• Color minimizes intrusion into special lanes and hereby improves safety of users
Increased Economic Incentive
• Reduced travel times, more fuel efficient transportation and increased ridership.
• Protection of vulnerable road users
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Denver, USA
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Crosswalk Safety in Denver, CO
• Several pedestrians a year were injured at this Denver crosswalk before installation of cold plastic area marking
• High visibility color area marking was used to decrease that number by 50%
Source: GoogleEarthPHOTO © Transpo Industries
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Santiago, Chile
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Priority bus lane in Santiago, Chile
Solution with cold plastics color contrast:• Form stability without cracking at all weather
conditions• Color stability• Bus traffic flow improvement of up to 50%!
Challenge:• Combat growing urban traffic congestion • Make regular bus services faster and more reliable• Long lasting material required!
BRT based on Cold Plastic Road Marking
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New York, USA
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Reshaping bike lanes in New York City
Various materials were tested during a 1 year trial phase. The conclusion:• City beautification and effective
traffic delineation
Challenge:• Combat growing urban traffic congestion • Improve safety of bikers• Long lasting material required!
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Bali, Indonesia
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Red box for motorcycles, Bali-IndonesiaCase study by the Institute of Road Engineering*1
Motivation of the application:
• A motorcycle is the most used mode of transportation in Indonesia
• Traffic conflict between motorcycles and other types of vehicles in intersections
Approach:
• Creation of a designated area in the form of a red box for motorcyclists when the traffic light is red
• Average improvement of conflict = 40%
Bali climate*:
• Temperature of 30°C and 85% humidity on average
Source: *1 Mr. Agah Muhammad Mulyadi, and Mr. I.G.W Samsi Gunarta *2 http://www.baliguide.com/weather.html Page
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Guiyang City, China
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Pavement markings contribute to road safety: 320 National Road, Guiyang City
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1 Anti-skid properties perfect foro Heavy traffic regionso Descending curveso Rainy conditions
2 Color contrasto Influence road user behavioro “Educates” road user
Nearly no maintenance cost
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Hessen, Germany
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Changing road user behaviour through colour contrast
Platzhalter Bild
ItalyIndustriepark Wolfgang
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Mexico City, Mexico
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Urbanism and beautification in Mexico City
Graz, Austria
Photo © Victor Benitez / SariVial
UAE
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USA
Chile
Turkey
Tailor-made Intersections
• Pedestrian safety• Attention of drivers
Public Spaces
• Transforming underutilized areas• Regaining public spaces
Safe Biking
• Rising trend• Multi-modal pathway
Speed Reduction
• Optimum costs-benefits• Behavior change Priority Bus Lanes
• Fuel consumption reduction• Traffic conflict reduction
Accident Black Spots• Audible warning • Accidents reduction
Mexico
USA
GermanyColor contrast:
• Reinvent road safety• Change behavior• Anywhere in the world
There is a lot to be done!
Take away message: Set the scene to overcome urban millennium challenges in road safety
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