City eyes the idea of “Road Sunblock” to reduce asphalt temperatures.
Mitigating the effects of extreme heats in cities, worsening each year due to human-caused climate change, will require an array of creative responses.“cool pavement technology”Throughout the United States roads have traditionally been paved with black asphalt, but dark colored surfaces absorb more heat and with summer temperatures hitting 100 degrees more and more frequently, roadways paved in black asphalt will be more prone to overheating and cracking.
The city’s Transportation and Public Works department does not have any funding set aside for treating more roadways with sunblock in the fiscal year 2023-24 budget . But the Engineer Pavement Maintenance Management has applied for a $1 million federal grant, to be awarded next month, that could allow the city to treat about 25 miles of South Austin roadway with the spray.
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