Sarnia Transit Learn more about Sarnia Transit services including bus service and Rides on Demand. Learn More Cycling in Sarnia Sarnia is a great City to explore by bike, whether cycling along the river, the Howard Watson Trail, or on […] Learn More Municipal Parking City of Sarnia Municipal Parking Lots Bayshore Lot #1 Free Parking Located on Front Street North near London Road Front […] Learn More Roads and Traffic Learn More