Germany’s Autobahn is buckling under record-breaking heat, with asphalt melting and concrete warping as temperatures soar past 104°F. The culprit? Bitumen, the heat-sensitive binder in most roads, designed for a climate that no longer exists. Engineers warn current standards, built for decades past, are obsolete—climate models predict heat spikes of 20–40°F beyond design limits. While solutions like reflective quartzite mixes show promise, the real hurdle is policy: turning research into mandatory, widespread construction changes. Experts urge urgent action, likening it to how pollution limits were swiftly adopted, to prevent future road disasters.
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