via @nasemTRB TR News 345: Peaks and Valleys: Forecasting Recreational Travel Demand: 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… http://www.trb.org/Main/Blurbs/183110.aspx?utm_source=dlvr.it