ONroute LP is a Canadian service company which has the 50-year concession to operate highway rest areas along Highway 400 and Highway 401 in the province of Ontario until 2060. The company was founded as Host Kilmer Service Centres, a joint venture between international hospitality company HMSHost (a subsidiary of Autogrill) and Kilmer van Nostrand (an investment company owned by Canadian businessman Larry Tanenbaum). ONroute was acquired by Arjun Infrastructure Partners and in May 2019.