Dan Marriott is Principal of Paul Daniel Marriott + Associates, a historic and scenic road preservation planning office located in Washington, DC. Established in 2004, the firm specializes in historic preservation, corridor studies, regional planning strategies and analysis for historic and scenic roads, gateways and linear corridors. Prior to establishing the firm, Dan was the Director of the Rural Heritage/Historic Roads Program at the National Trust for Historic Preservation. He was awarded a prestigious Fitch Foundation fellowship for historic preservation in 2009. Dan is a licensed landscape architect and holds a BS in Landscape Architecture from the Pennsylvania State University, a Master of Regional Planning from Cornell University and a PhD in Landscape Architecture from the University of Edinburgh. His doctoral dissertation is titled, 'Roads Designed for Pleasure, British Influences on the American Motor Parkway.' He has worked with communities across the US and overseas, and is a member of the International Council of Monuments and Sites (ICOMOS). His areas of expertise include visual analysis, gateways, community consensus development, highway safety, National Register analysis and historic landscapes. He is considered a leading expert in the field of historic roads. Projects have included the Alaska Highway in British Columbia, Palisades Interstate Parkway in New Jersey, Kuhio Highway in Hawaii, Historic National Road in Indiana, 19th century carriage drives at Marsh-Billings-Rockefeller National Park in Vermont, and US Route 66 in New Mexico and Oklahoma. He is the author of Saving Historic Roads: Design and Policy Guidelines (Wiley, 1998), From Milestones to Mile-Markers: Understanding Historic Roads (US DOT, 2004) and the Preservation Office Guide to Historic Roads (Fitch Foundation, 2010).Specialties: landscape architecture, city and regional planning, historic roads, scenic byways, gateways, corridor studies, and visual analysis