Explore details about location Highway 105 EB Exit 21 Off Ramp. Highway 105 EB Exit 21 Off Ramp is a location situated within the Cape Breton County alongside other areas such as Forman Street, Walsh Lane, McCuish Road. Additionally, some smaller parts of Highway 105 EB Exit 21 Off Ramp include specific areas like Caledonia Street adding to the diversity of its landscape.