GATE 2023 AR — Architecture – Question 17
The spatial-interaction models used in the Lowry model (1964) are of which type?
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Correct answer: (A) Singly constrained
Explanation
The Lowry allocation framework links residential and service locations through singly constrained interaction models: one set of totals is controlled in each allocation. It iterates the linked allocations rather than imposing both origin and destination totals in a single doubly constrained model. Select A.