访问公平计算器.pdf

1、Access Equity CalculatorSara KhoeiniRaghuprasad SidharthanRosella PicadoLawrence Pesesky TRB Innovations in Travel Analysis and Planning ConferenceIndianapolis,INJune 5,20232Metric-based equity analysis is absolutely needed now.GovernmentClientsPublicProject-level Equity EvaluationRegional Equitable

2、 PlanningEquitable Policies Metric-based Equity AnalysisAn evaluation criterion for$53B in USDOT competitive funding.Accessibility is mentioned as the main index.3Literature Review HighlightsLiteratureAccessibility,is the most comprehensive land use and transport systems performance measure(Levinson

3、&Wu,2020;Wachs&Kumagai,1973)Access concepts present substantial benefits relative to traditional performance measures(Karner et al.,2023).Many factors affect accessibility including vehicle travel,the quality of non-auto modes,transport system connectivity,development density,and affordability(Litma

4、n,2023)Improving accessibility is also important for economic development,sustainability,and transportation efficiency(Levin-son&El-Geneidy,2018;Melo,Graham,Levinson,&Aarabi,2017;Levinson&Wu,2020).Current State of the PracticeGIS-based systemsNeighborhood levelPopulation profileProximity to resource

5、sMode choice and travel behaviorThe application of accessibility metrics in planning and policy is still limitedTransportation planning is undergoing a shift from mobility-based to accessibility-based analysisAccel Equity Calculator4Accessibility is the most comprehensive equity metric for transport

6、ation systems.Accessibility is a feasibility score of reaching life opportunities considering the burden of travel(time,cost,availability)across:Modes(Auto,transit,bike,)People(Income,race,age,gender,)Location(Origin,and destinations)Purpose(work,school,shopping,)*Levinson,D.,&Wu,H.(2020).Towards a