ABBREVIATIONS

Abbreviation	Definition
AAA	American Automobile Association
ATPI	Air Travel Price Index
ATS	American Travel Survey
BLS	Bureau of Labor Statistics
BTS	Bureau of Transportation Statistics
CATI	Computer-Assisted Telephone Interviewing
CPI	Consumer Price Index
CSTDM	California Statewide Travel Demand Model
DKSA	D.K. Shifflet and Associates
FHWA	Federal Highway Administration
GTFS	General Transit Feed Specification
IIA	Independence of Irrelevant Alternatives
ITRD	International Transport Research Documentation
LIRR	Long Island Rail Road
LDPTM	Long Distance Personal Travel Model
MSA	Metropolitan Statistical Area
MTA	Metropolitan Transit Authority
NHTS	National Household Travel Survey
NPTS	Nationwide Personal Transportation Survey
NTAD2011	National Transportation Atlas Database 2011
NTS	National Transportation Survey
OECD	Organization for Economic Co-operation and Development
RITA	Research and Innovative Technology Administration
SUV	Sport Utility Vehicle
TSAM	Transportation Systems Analysis Model
TRIS	Transportation Research Information Service
USDOT	United States Department of Transportation