@BOOK{NAP14182, author = "Transportation Research Board and National Academies of Sciences, Engineering, and Medicine", title = "Applications of Illuminated, Active, In-Pavement Marker Systems", doi = "10.17226/14182", abstract = "TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 380: Applications of Illuminated, Active, In-Pavement Marker Systems (IPMs) explores the state of IPM technology, experiences with IPM applications, and potential IPM research needs.", url = "https://nap.nationalacademies.org/catalog/14182/applications-of-illuminated-active-in-pavement-marker-systems", year = 2008, publisher = "The National Academies Press", address = "Washington, DC" }