from the PC platform
https://www.ontariopc.ca/plan_for_the_people
Actively explore potential for high-speed rail and highway projects including the potential six-laning of Highway 401 to the 416 between Toronto and Ottawa. Also, complete the environmental assessment for the GTA West Corridor, invest in increasing safety on the 401 West and four-lane Highway 17 in eastern Ontario and Highway 3 in Southwestern Ontario.
Highway Improvement Plan - $20 million for studies/401 improvements, $5 million per year for Highways 3 and 17 amortized over 50 years once completed.