Which model includes multiple nuclei beyond the CBD?

• A. Burgess Model
• B. Harris-Ullman Multiple Nuclei Model
• C. Hoyt Sector Model
• D. McGee Southeast Asian City Model

Answer: (B)

The idea being tested is that cities can develop more than one center of activity, not just a single CBD. The Harris-Ullman Multiple Nuclei Model argues that as urban areas grow, different activities cluster around several centers—such as a wholesale or light-industrial district, a university campus, a port or airport district, and suburban commercial centers—creating a polycentric urban form. This explains why land use and traffic patterns often pivot around multiple hubs rather than radiating solely from the traditional downtown.

Other models describe different patterns: the Burgess model imagines a single central business district with rings around it; the Hoyt sector model emphasizes wedges radiating from the CBD along transportation routes; and the McGee Southeast Asian City Model depicts a city with multiple nodes influenced by port activity and specific cultural-commercial zones, but the hallmark idea of multiple nuclei centered around several distinct hubs is most clearly captured by the Harris-Ullman model.