(A) Agency: Any of the following;
(1) The Ohio department of transportation
(2) Board of county commissioners of any Ohio county (may act through the office of the county engineer).
(3) Board of township trustees of any Ohio township (may act through the office of the county engineer or the township road supervisor).
(B) Construction zone (from section 4511.98 of the Revised Code) - That lane or portion of street or highway open to vehicular traffic and adjacent to a lane, berm, or shoulder of a street or highway within which lane, berm, or shoulder construction, reconstruction, resurfacing, or any other work of a repair or maintenance nature, including public utility work, is being conducted, commencing with the point where the first worker or piece of equipment is located and ending where the last worker or piece of equipment is located.
(C) Work length -The length of roadway directly and indirectly affected by construction activities including the transition area (where redirection of the driver's normal path occurs) the activity area (which includes the construction zone and any buffers) and the termination area (where traffic is returned to its normal path), but not including the advance warning sign area.