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U.S. Travel Forecast contains forecast estimates from TIA's proprietary travel forecasting models. These models were created by Global Insight, the nation's leading provider of macroeconomic forecasting and market planning services. TIA's forecasts include both domestic and international visitation, travel price inflation and travel expenditures. The modeling system is a combination of national time series models and regional models estimated with cross-sectional time series data by major categories of person-trips. Historical time-series data from TIA's TravelScope® consumer travel survey, Travel Price Index and Travel Economic Impact Models are linked to forecasts of macroeconomic indicators from Global Insight's U.S. Economic Service and Regional Information Service. Person-trip forecasts are benchmarked to the TravelScope® time-series. The forecasts are updated in May and October each year.
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