In 1928, the Department of Highways gained control of more roads that led from Foxboro to Marmora, and applied the Highway 14 designation on them, too. This brought Highway 14's length to . By 1941, the remainder of the road had been paved, and a bypass was built around Foxboro in 1964. By 1982, the Norris Whitney Bridge was opened, replacing the old Belleville Bay Bridge, and the road was terminated at Foxboro. The section south of there to Bloomfield became part of Highway 62 in 1983. The length of the highway was now . After the road was truncated at Foxboro, its purpose became to link the generally parallel roads of Highway 2 and Highway 7 together, to improve access between Kingston and Peterborough.