The National Academies Press

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From page 223... ... D-1 Performance Metrics Reference A P P E N D I X D Community Measures......................................................................................................................... D-2 Short Description.......................................................................................................................... Read the entire page →
From page 224... ... D-2 Method Selection for Travel Forecasting: User Guide COMMUNITY MEASURES Short Description Performance categories represents measures that describe the quality of life in a geographic area. Performance Elements Environmental Justice/Social Equity Land Use Schools Performance Elements for Community Measures Environmental Justice/Social Equity Short Description Environmental justice/social equity represents the environmental and mobility impacts on minority populations and low-income populations to achieve an equitable distribution of benefits and burdens. Read the entire page →
From page 225... ... Performance Metrics Reference D-3 Land Use Short Description Types of population/dwelling units or employment/commercial buildings in an area. Methods and Metrics Methods Metrics Passenger Vehicle Models Destination Choice Commercial Vehicle Models Destination Choice Access to Services Performance Metrics for Land Use Access to Services Short Description Access to services is a measure of travel times to service employment. Read the entire page →
From page 226... ... D-4 Method Selection for Travel Forecasting: User Guide Single-class Equilibrium Traffic Assignment Stochastic User Equilibrium Assignment Traffic Microsimulation Performance Metrics for Schools Access to Schools Short Description Access to schools is a measure of travel times to schools. ECONOMIC MEASURES Short Description Economic measures describe the monetary benefits to the area. Read the entire page →
From page 227... ... Performance Metrics Reference D-5 Multiclass Equilibrium Traffic Assignment Pedestrian/Bicycle Simulation Route-Path Choice Models Schedule-based Transit Assignment Single-class Equilibrium Traffic Assignment Stochastic User Equilibrium Assignment Traffic Microsimulation Performance Metrics for Accessibility Access to Jobs Short Description Access to jobs is a measure of travel time to employment (by type) Read the entire page →
From page 228... ... D-6 Method Selection for Travel Forecasting: User Guide Other Travel Demand Methods Origin-Destination Matrix Estimation Pivot-Point and Incremental Models Commercial Vehicle Models Commodity Flow Models Supplier Selection Model Trip Distribution (Gravity) Performance Metrics for Economic Development Access to Jobs in Cluster Employment Short Description Access to jobs in cluster employment is a measure of travel times to employment in industries of interest to the region. Read the entire page →
From page 229... ... Performance Metrics Reference D-7 Methods and Metrics Methods Metrics Other Travel Demand Methods Direct-Demand Model Assignment and Microsimulation Models Dynamic Capacity-Constrained Transit Assignment Dynamic Traffic Assignment Frequency-based Transit Assignment Integrated Multiresolution Model Multiclass Equilibrium Traffic Assignment Route-Path Choice Models Schedule-based Transit Assignment Stochastic User Equilibrium Assignment Fares Tolls Performance Metrics for Revenues Fares Short Description Fares represent transit operating agency revenues from fees charged to use public transport services. Tolls Short Description Tolls represent tolling agency revenue derived from fees collected from travelers to use a roadway or cross a boundary. Read the entire page →
From page 230... ... D-8 Method Selection for Travel Forecasting: User Guide Other Travel Demand Methods Direct-Demand Model Pivot-Point and Incremental Models Assignment and Microsimulation Models Dynamic Capacity-Constrained Transit Assignment Dynamic Traffic Assignment Frequency-based Transit Assignment Integrated Multiresolution Model Multiclass Equilibrium Traffic Assignment Route-Path Choice Models Schedule-based Transit Assignment Commercial Vehicle Models Supplier Selection Model Trip Distribution (Gravity) Performance Metrics for User Benefits Value of Time Saved Short Description Value-of-time saved represents the time saved (or lost) Read the entire page →
From page 231... ... Performance Metrics Reference D-9 Performance Elements for Environmental Measures Air Quality Short Description Air quality represents changes in emissions as measured by atmospheric presence of pollutants. Methods and Metrics Methods Metrics Assignment and Microsimulation Models Dynamic Traffic Assignment Integrated Multiresolution Model Multiclass Equilibrium Traffic Assignment Route-Path Choice Models Single-class Equilibrium Traffic Assignment Stochastic User Equilibrium Assignment Traffic Microsimulation Criteria Pollutant Emissions Greenhouse Gas Emissions Performance Metrics for Air Quality Criteria Pollutant Emissions Short Description Criteria pollutant emissions represent tons of emissions (by type) Read the entire page →
From page 232... ... D-10 Method Selection for Travel Forecasting: User Guide Models Dynamic Traffic Assignment Integrated Multiresolution Model Multiclass Equilibrium Traffic Assignment Route-Path Choice Models Single-class Equilibrium Traffic Assignment Stochastic User Equilibrium Assignment Traffic Microsimulation Fuel Consumption Performance Metrics for Energy Consumption Fuel Consumption Short Description Fuel consumption reflects the number of gallons of gas required to fuel transport vehicles. Noise Pollution Short Description Noise pollution represents excessive sound from all transport vehicles that adversely affects people or animals. Read the entire page →
From page 233... ... Performance Metrics Reference D-11 Methods and Metrics Methods Metrics Assignment and Microsimulation Models Dynamic Traffic Assignment Integrated Multiresolution Model Multiclass Equilibrium Traffic Assignment Route-Path Choice Models Single-class Equilibrium Traffic Assignment Stochastic User Equilibrium Assignment Traffic Microsimulation Time Above Certain Levels Performance Metrics for Noise Pollution Time Above Certain Levels Short Description Hours above certain levels represents decibels above acceptable health noise levels. FREIGHT TRANSPORT MEASURES Short Description Freight transport measures quantify the movement of goods. Read the entire page →
From page 234... ... D-12 Method Selection for Travel Forecasting: User Guide Methods and Metrics Methods Metrics Commercial Vehicle Models Commodity Flow Models Freight and Services Tours and Stops Mode and Shipment Size Mode Choice (Fixed Factors) Stop Sequence and Duration Time of Day (Fixed Factors) Read the entire page →
From page 235... ... Performance Metrics Reference D-13 Performance Metrics for Freight Mobility Commodity Flows Short Description Commodity flows represent the tonnage and value of goods movement from each origin to each destination. Freight Mode Shares Short Description Freight mode shares represents the percentage of freight traveling by different modes such as truck, rail, barge, air, and intermodal, among others. Read the entire page →
From page 236... ... D-14 Method Selection for Travel Forecasting: User Guide Assignment Route-Path Choice Models Traffic Microsimulation Volume-Delay Functions Performance Metrics for Truck Congestion/Traffic Measures Freight Travel Times Short Description Freight travel times represent the number of minutes spent transporting goods from each origin to each destination. Truck Delay Times Short Description Cumulative number of hours trucks spend traveling at speeds below free flow. Read the entire page →
From page 237... ... Performance Metrics Reference D-15 Methods and Metrics Methods Metrics Passenger Vehicle Models Mode Choice (Disaggregate) Other Travel Demand Methods Direct-Demand Model Assignment and Microsimulation Models Pedestrian/Bicycle Simulation Bike Miles Nonmotorized Volumes Performance Metrics for Active Transportation Bike Miles Short Description Bike miles represent miles of travel by bicycle modes. Read the entire page →
From page 238... ... D-16 Method Selection for Travel Forecasting: User Guide Performance Metrics for Safety Number of Vehicle Collisions Short Description Number of vehicle collisions represents the number and severity of vehicle roadway accidents. PASSENGER TRANSPORT MEASURES Short Description Passenger transport measures quantify the movement of people. Read the entire page →
From page 239... ... Performance Metrics Reference D-17 Other Travel Demand Methods Pivot-Point and Incremental Models Performance Metrics for Auto Congestion/Traffic Measures Auto Speeds Short Description Auto speeds is a measure of average speeds for passenger cars. Auto Volumes Short Description Auto volumes represent the total number of passenger cars on a roadway segment or summaries by district, screenline, facility, and area type. Read the entire page →
From page 240... ... D-18 Method Selection for Travel Forecasting: User Guide Passenger Demand Short Description Passenger demand represents the number of trips people make in a geographic area. Methods and Metrics Methods Metrics Passenger Vehicle Models Daily Activity Pattern Model Time of Day (Disaggregate) Read the entire page →
From page 241... ... Performance Metrics Reference D-19 Performance Metrics for Passenger Mobility Passenger Flows Short Description Passenger flows represents the number of trips from each origin to each destination in the region. Passenger Mode Shares Short Description Passenger mode shares represents the percentage of people traveling by different modes such as auto, transit, walk, and bike, among others. Read the entire page →
From page 242... ... D-20 Method Selection for Travel Forecasting: User Guide Models Dynamic Capacity-Constrained Transit Assignment Frequency-based Transit Assignment Schedule-based Transit Assignment Performance Metrics for Transit Measures Transit Ridership Short Description Transit ridership represents the number of people riding public transportation. Assignment and Microsimulation Read the entire page →

From page 223...

... D-1 Performance Metrics Reference A P P E N D I X D Community Measures......................................................................................................................... D-2 Short Description..........................................................................................................................