Rethinking I-794: What removing Seoul’s “Car Sewer” can teach Milwaukee about revitalizing its downtown
Across the heart of Seoul, a river runs in a space previously buried under a concrete freeway. Once hailed as a monument to South Korea’s rapid modernization, the elevated Jonchigyogak ultimately became known as a “car sewer.” The elevated Cheonggye Expressway Overpass that ran above the Cheonggyecheon Stream was a decaying corridor of concrete that choked off the city’s downtown, polluted the air, and drove residents and businesses away. What had been a symbol of rapid modernization in the 1960s ultimately came to be seen as an urban planning catastrophe for life in the downtown core. By the 1990s,...
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