Siobhan Morris has more on the latest promises from Ontario party leaders as they continued to hit the campaign trail on Friday. PC leader Doug Ford commits to the largest provincial infrastructure project in history if re-elected, Liberal leader Bonnie Crombie says she will commit $3 billion to connect Ontarians to healthcare if elected while campaigning in Thunder Bay, NDP leader Marit Stiles commits to spending $4 billion on primary health care during a stop in Sault Ste. Marie and Green leader Mike Schreiner makes a promise to cut taxes on individuals making less than $65,000 a year or families making less than $100,000 a year while in Muskoka.