Directions to Trinity Lutheran Church Trinity Lutheran Church is located on the corner of North Potomac St. and Randolph Ave. in downtown Hagerstown, MD. From I-70 East or West Take Exit 32B (rte. 40 Hagerstown); west on rte. 40. Follow rte. 40 (Dual Highway) into downtown to Locust St.; turn right. (Dual Highway turns into Franklin St. when you come into downtown) Follow Locust St. to North Ave. (3 blocks); turn left. Follow North Ave. for 1 block to Potomac St.; turn left. Follow Potomac St. for 1 block to Randolph Ave.; turn left on Randolph Ave. for Church Parking. From I-81 North or South Take Exit 6A (rte. 40 Hagerstown); east on rte. 40. Follow Rte. 40 (Washington St.) into downtown to Locust St.; turn left. Follow Locust St. to North Ave. (4 blocks); turn left. Follow North Ave. for 1 block to Potomac St.; turn left. Follow Potomac St. for 1 block to Randolph Ave.; turn left on Randolph Ave. for Church Parking. Map This Location