This paper is the third in a series describing extensive empirical verification (by parameter estimation) of the Disaggregated Residential Allocation Model (DRAM). The first paper in this series, Putman and Ducca (1978a), described procedures for estimating the parameters of this type of model when trip interchange (O-D trip matrices) are unavailable. The second paper in this series, Putman and Ducca (1978b), described the results of estimating parameters in this way for a dozen US cities. This paper continues the work with parameter estimation for more than a dozen disparate non-US cities. The results lend even greater confirmation of the descriptive validity of this type of model.
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