According to the Sector Model, what separates the manufacturing sectors and the middle-income residential areas?

According to the Sector Model, the manufacturing sectors are typically separated from middle-income residential areas by transportation routes or major roadways. This model, proposed by economist Homer Hoyt, suggests that urban areas are organized in sectors radiating out from the central business district, with specific areas designated for different functions. The separation helps to reduce conflict between industrial activities and residential living, providing a clearer division of urban land use.

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