Ashtabula Co. - I-90 WB - one mile west from Penn. line. Mile marker 241. ph: (440) 593-6298; fax (440) 593-6298

Belmont Co. - I-70 WB - five miles west of St. Clairsville. Mile marker 210. ph: (740) 782-1644; fax (740) 728-0018

Butler Co. - I-75 NB -  Mile marker 28. ph: (513) 777-2083; fax: (513) 777-3569

Franklin Co. - Ohio Statehouse - downtown Columbus ph: (614) 728-9707; fax: (614) 752-5209

Preble Co. - I-70 EB - 3 miles from Indiana line. Mile marker 3. ph: (937) 437-0978; fax: (937) 437-0978

Scioto Co. - NB on U.S. 23 - 15 miles north of Portsmouth.  ph: (740) 259-3670; fax: (740) 259-3670

Trumbull Co. - I-80 WB - one mile from Penn. line. Mile marker 236. ph: (330) 534-9144; fax: (330) 534-1618

Warren Co. - I-71 SB - 2 miles north of SR 123 interchange with I-71. Mile marker 34.  ph: (513) 932-3538; fax: (513) 932-3538
Warren Co.  - I-71 NB - ph: (513) 932-9293; fax: (513) 932-9293

Washington County - l-77 NB, six miles north of Marietta. Mile marker 3. ph: (740) 373-8806; fax: (740) 373-8806

Wood County - I-75 SB -one mile south of US 6 interchange with I-75. Mile marker 178. ph: (419) 686-5001; fax: (419) 686-5001
Wood County - I-75 NB- ph: (419) 686-3191; fax: (419) 686-3191