ONroute LP is a Canadian service company which has a 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 and Kilmer van Nostrand. ONroute was acquired by Arjun Infrastructure Partners and Fengate Asset Management in May 2019.