Development of Origin-Destination Matrices Using Mobile Phone Call Data: A Simulation Based Approach

摘要

In this research, we propose a methodology to develop OD matrices using mobile phone CallDetail Records (CDR) and limited traffic counts. CDR, which consist of time stamped towerlocations with caller IDs, are analyzed first and trips occurring within certain time windows areused to generate tower-to-tower transient OD matrices for different time periods. These are thenassociated with corresponding nodes of the traffic network and converted to node-to-nodetransient OD matrices. The actual OD matrices are derived by scaling up these node-to-nodetransient OD matrices. An optimization based approach, in conjunction with a microscopictraffic simulation platform, is used to determine the scaling factors that result best matches withthe observed traffic counts. The methodology is demonstrated using CDR from 2.87 millionusers of Dhaka, Bangladesh over a month and traffic counts from 13 key locations over 3 days ofthat month. The applicability of the methodology is supported by a validation study.