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Why Philly’s highways are always under construction

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216 views19likes3:06ThePhiladelphiaInquirerOriginal Release: 2026-07-23

Highway widening projects often fail to reduce traffic congestion because of the law of induced demand, where new road capacity attracts more driving, causing traffic to expand to fill the available space; this explains why Philadelphia's I-95 Revive project, which began in 2009 and is scheduled to finish in 2055, will likely require additional widening efforts, as the highway industrial complex perpetually seeks more lanes despite the fundamental economic principle that increased road capacity generates increased demand.