Pamphlet. Official Opening to Traffic of 14.5 Miles of Interstate and Defense Highway 495. Program for opening ceremonies for Interstate I-495 from Rte. 111 in Boxborough to Rte. 9 in Westborough. Photocopy of a program found in a car at MaMontagne’s Esso in Boxborough. Lists invited guests (Gov. of MA etc.), some photographs and handwritten notes from one observer. See original in same folder: D C 13.