智能手机应用程序对旅行行为数据收集、分析和建模的影响.pdf

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1、1/30Implications of Smartphone App Use for Household Travel Survey Data CollectionSonya Solinsky Texas Department of TransportationEdgar Millard Texas A&M Transportation Institute2/30Overview of TxDOT Travel Survey ProgramResearch began in 1960s,federally-fundedTxDOT Travel Survey Program(TSP)starte

2、d in 2000Designed to collect and analyze passenger and commercial vehicle data for regional and statewide modelsGoal to ensure data collection and analysis consistency across all 23 MPOs in stateTTIs Role:survey oversight,technical assistance,QA/QC,data analysis,integration of passive data3/30TxDOT

3、Travel Survey Program Recurring schedule of surveys Regions surveyed every 10 yrs Surveys coordinated with urban counts and model updates Designed for model input Conducted when schools in session on average weekdaysSurvey Cycle Local survey data collected for improved model accuracy1.Calibrated Mod

4、el2.Transportation Plan3.Evaluate/Prioritize Projects4.Develop Transportation Improvement Program(TIP)4/30Household Travel&Activity Survey Highlights Generally 2 or 3-way target stratification:HH size,HH income,#of Workers Typical sample sizes:1,500-3,000 HHs,data feed Trip-Based Models Houston is e

5、xception:10,000 HHs,additional geographic/demographic/travel behavior targets for Activity-Based Model)Key model inputs obtained through survey:Trip production rates by trip purpose Trip length frequency distributions Estimate of internal travel by residents Mode Split5/30Project DetailsResidents ar

6、e asked to record travel for a 24-hour periodRandomly-selected households are mailed an invitation postcardInitial address-based sample may be supplemented with convenience sampling later in project,if neededRecruitment via Web or CATIHHs are assigned travel dayTravel data collected by WebAppCATI 6/