Topic: Roads
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Just a Fraction More White Roofs Could Have a Huge Global Impact
Small improvements in roof and road reflectivity are estimated to help create big reductions in carbon emissions.
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Motion-Activated Pothole Sensors ... In Your Phone
Boston hopes its driver-operated Street Bump app will grow sensitive enough to detect cracks in the pavement before they become gravel-spewing craters.
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Urban Wonk
Congress Is Toying With the Future of Mass Transit
A proposal to eliminate a share of the federal gas tax dedicated to public transportation would devastate urban mobility.
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Photos
Translating the American Highway System Into a Subway Map
Graphic designer Cameron Booth gives a London Tube map treatment to America's roadways
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The Safety Risks of Raising Speed Limits
As the U.K. plans to increase its speed limit, concerns grow
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Manila’s 'Christmas Lanes' Streamline Holiday Traffic
The Philippines capital turns roads into temporary highways to ease shopping-related congestion
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Maps
Mapping Traffic Fatalities Across the Country
A new interactive map shows where drivers, bikers and pedestrians were killed
