
National and state parks welcome millions of visitors annually, but seasonal surges can jam roads and overcrowd facilities. A TRB National Highway Cooperative Research Program project is harnessing smartphone data to develop recreational travel-demand models aimed at helping public lands transportation planners better forecast and manage congestion. "Peaks and Valleys: Forecasting Recreational Travel Demand," by Mark Bradley, Greg Spitz, Aaron Lee, Ben Swanson, and Theodore Mansfield, details the project in one of the feature articles in the May-June 2023 edition (Issue 345) of TR News, TRB's magazine.
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