12.07.2015 Views

Travel Demand Model - OKI

Travel Demand Model - OKI

Travel Demand Model - OKI

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Table 1-4 On-Board Survey Data Dictionary (cont.)surveyvariableorig. surveyvariabledescriptionflip none Flag to convert from OD to PA format 1flip trip (i.e., destination is productionend)blank/zerodo not flip tripaccess none transit access mode 1 walk2 park and ride5 kiss and ridehbwmk none home-based work market segment 0 no workers1 zero auto households2 less cars than workers3 equal cars and workers4 more cars than workershbomk none home-based other market segment 1 zero auto households2 one auto households3 two auto households4 three or more auto householdspzone none production zone TAZazone none attraction zone TAZacczone none access bus stop TAZroute ROUTE route number from KPMG datasettpid TPID trip id from KPMG datasetadj_wei ADJ_WEI weight factor from KPMG datasettype TYPE trip purpose from KPMG datasetperiod PERIOD trip time period from KPMG dataset 1 am peak2 pm peak3 off peakremove none flag to identify records with missing data 0 no missing data1 some data item missingexpress none local/express bus flag 0 local bus trip1 express bus tripnsvys none number of surveys per routepercent none surveys per route, as a fraction of total surveysvaluesboardngs none boardings per route, from ridership countsexpfact none re-estimated survey weight factorlinked none flag to indicate if trip is linked out 0 do not link out1 link out (i.e., trip is a transfer)11

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