View
214
Download
0
Category
Tags:
Preview:
Citation preview
Online CaliforniaFreight Data Repository
for Freight Modeling and Analysis
Andre Tok, Miyuan Zhao, Joseph Y.J. Chow, Stephen G. Ritchie, and Dimitri Arkhipov,
University of California at Irvine
2010 Innovations in Freight-Demand Modeling and Data Symposium
Issues with Freight Data Multiple freight data sources
Different user-interface designs and architecture Availability of data definitions
Data dictionaries not always explicitly provided Inconsistent data formats
Creates potential incompatibilities for modeling and analysis
Text-based data Inability to assess scope and relevance of datasets
Online California Freight Data Repository (Cal-Fred) Features
User-centered online tool Convenient access through web-based architecture
(http://moon.its.uci.edu/calfred/) Standardized interface, centralized location for obtaining
freight data from a variety of public sources Data definitions
Downloadable data dictionaries and lookups associated with each data source
Data formats Data tables associated with each data source can be
downloaded in a variety of formats (tab-delimited, csv, html) to accommodate user needs
Data evaluation and assessment Time-series and spatial analysis tools provide
convenient evaluation and visual assessment of data
Conceptual Data SchemaTime
ResolutionsZones
Facility Networks
Commodities ModesSocio-
economicLogistics
Annual
Quarterly
Monthly
Daily
Hourly
States
Gateways
Foreign Trade Regions
Logistics Nodes
California
FAF Regions
Air Districts
Caltrans Districts
Counties
Port Terminals
Airports
Truck/ Rail Facilities
Truck/ Pipeline Terminals
Highway Geography
Rail Geography
Waterway Geography
Intermodal Links
Production
Consumption
Transloaded
Flow
SCTG
STCC
Truck
Rail
Water
Air
Commercial Vehicles
Truck Rail Intermodal
Other
Vessel Types
Employment
NAICS Industries
Wages
Population
Monetary
Pay Rate
Nodal Facility Fees
Link Facility Fees
Time
Link Travel Times
Node Dwell Times
Emissions
Energy Consumption
Handling
Restrictions
Safety
Packaging Type
Xload Equipment Type
Accidents
Hazmat Incidents
List of Data SourcesIndex Name Originator Data Type
D1 Freight Analysis Framework (2002, 2007) U.S. Department of Transportation (FHWA)
Commodity Flow by OD and Commodity Type
D2 Navigation Data Center (2002-2007) U.S. Army Corps of Engineers Commodity Flow by Waterborne
D3 North American Transborder Freight Data (2002-2007) U.S. Census Bureau Exports to and Imports from Canada and
Mexico
D4 Rail Carload Waybill Sample (2006, 2007) U.S. Department of Transportation Commodity Flow by Rail; Intermodal Transport
D5 County Business Patterns (2002-2007) U.S. Census Bureau Transportation Employment; Number of Establishments
D6 Border Crossings Data (2002-2007) Bureau of Transportation Statistics Border Crossings
D7 National Emission Inventory (2002, 2005) U.S. Environmental Protection Agency Emissions by Source Type
D8 Port Wages and Tonnage Report (2002-2007) Pacific Maritime Association West Coast Port Employment Wages,
Tonnage by Quarter & by Month
D9 Rail Performance Measures Weekly Performance Reports (2008, 2009) The Association of American Railroads Terminal Dwell Time, Speeds, by Provider
(BNSF/UP)
D10 Major Airport Operating Statistics (2002-2004) RAND California Load and Unload by Airport
D11 Labor Market Library (2002-2007) California Employment Development Department Population
D12 Estimated Annual Average Emissions (2005) California Air Resource Board Energy Cost/Expense; Emissions
Inventory
D13 Caltrans Annual Average Daily Truck Traffic (2002-2007) Traffic Data Branch, Caltrans Truck Count
D14 California Motor Vehicle Stock Travel, and Fuel Forecast (2002-2007) Caltrans Truck Vehicle Miles Traveled (VMT);
Truck Vehicle Fuel Consumption (VFC)
Data Source Query Interface
Data query interface
Data source description(updates with change in data source selection)
Data dictionaries associated with data source
2003 International Monetary Fund Data Quality Assessment Framework-based assessment summary (click to display)
Cal-FRED Time Series Analysis
Google Maps-based location selection interface
Tabular and chart results with display and data download options
Query interface with map display options
Map display options interface
Cal-FRED Spatial Analysis
Google Maps-based color-scaled results illustrates geographical distribution of data
Tabular and chart results display text results and percentage contribution with data download options
Query interface with map display options
Data source filter narrows down list of displayed sources
Cal-FRED External Data Sources
Data source descriptions are displayed as the mouse hovers over a data source
Filtered list of external data sources (click to access data source via external web page)
Toggle between public and private data source lists
FREDDY Search vs Google Search
FREDDY Search Results(uses Google custom search engine to search over 40 freight related websites) Google Search Results
Application Examples Freight network optimization: the Cal-GIFT model
Highway, railway, waterway networks, transfer facility locations Truck/rail/vessel emissions, energy consumption from EPA Ports/rail terminal volumes, good types transferred, handling delay Commodity flow OD’s (FAF2)
Freight data analysis: Commodity Flow Disaggregation FAF2 Socioeconomic data: County Business Patterns, Census Populations,
Quarterly Census of Employment and Wages
Metropolitan Planning Organization Goods Movement Studies Truck VMT/HPMS FAF2 VIUS
Land use model integration (Caltrans PECAS) Highway, railway, waterway networks, transfer facility locations FAF2 Socioeconomic data: County Business Patterns, Census Populations,
Quarterly Census of Employment and Wages
Recommended