Chicago has tested reflective and permeable cool-pavement coatings through CDOT pilots in heat-vulnerable wards but has no citywide mandate. Pilot blocks measure surface-temperature reductions of up to 12 degrees.
Chicago's cool-pavement work consists of CDOT-led pilots rather than a citywide ordinance. The 2022 Heat Vulnerability Index identified Austin, North Lawndale, and Englewood as priority neighborhoods. CDOT has applied reflective polymer coatings to selected residential blocks and tested permeable pavers in alley-greening projects led by the Department of Water Management. Surface-temperature monitoring shows reductions averaging 8 to 12 degrees Fahrenheit on treated blocks. The Climate Action Plan envisions scaling pilots to 100 blocks by 2030 but funds depend on grants. No general ordinance compels private property owners to install cool surfaces. Streetscape standards in MCC 10-20 still control public right-of-way work.
No private-property cool-pavement violations exist because participation is voluntary. Contractors performing public-works installations without CDOT specifications face contract penalties up to 10% of project value plus correction costs under MCC 2-92-320.
Chicago, IL
Chicago Energy Conservation Code MCC 18-13 requires reflective cool roofs on new and replacement low-slope roofs, the country's first such mandate. Minimum s...
Chicago, IL
Chicago's Climate Action Plan and Our Roots Chicago plan target a 30% citywide tree canopy by 2050, paired with cool-roof mandates and reflective alley progr...
See how Chicago's cool pavement rules stack up against other locations.
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