A New Jersey Mike’s Subs Is Coming To The Gray Tennessee Community. An 1,800 Square Foot Facility Is Under Construction On Suncrest Drive Off Exit 13 Of Interstate 26. Franchise Owner David Wampler Said The New Location Is Set To Open In Late Summer. The New Location Will Join Three Existing Jersey Mike’s Subs In Kingsport, Two In Johnson City, One In Elizabethton And One In Both Bristol Tennessee And Virginia.