Car wash in Halfway (Maryland) Find any Car wash in Halfway, Maryland. Addresses, phone numbers, working hours and other information. Quick go: All types of places Bus station Car wash Establishment Food Gym Health Meal delivery Meal takeaway Post office Transit station Sullivan's Self service car Wash Establishment, Car wash Halfway, Halfway, MD 21740 Types of places All types Bus station Car wash Establishment Food Gym Health Meal delivery Meal takeaway Post office Transit station