Traffic Research Unit (May 2013). "2012 (Route Log) AADTs for State Highways"(PDF). Policy, Planning and Intermodal Development Division, Vermont Agency of Transportation. Archived(PDF) from the original on December 21, 2013. Retrieved March 7, 2015.
Traffic Research Unit (May 2013). "2012 (Route Log) AADTs for State Highways"(PDF). Policy, Planning and Intermodal Development Division, Vermont Agency of Transportation. Archived(PDF) from the original on December 21, 2013. Retrieved March 7, 2015.