Mississippi Administrative Code
Title 37 - Transportation and Highways
Part 1 - Mississippi Department of Transportation
Subpart 7501 - Maintenance
Chapter 04015 - Parallel Utility Lines and Overhead Crossing Encroachment Permits
OVERHEAD POWER AND COMMUNICATION LINES - CONVENTIONAL HIGHWAYS (TYPE3)
Section 37-1-7501-04015-404 - Ground-Roadway Clearance

Overhead lines will cross the highway as near normal to the highway alignments as practical and be of durable materials and as maintenance free as feasible. All overhead lines will have a minimum ground clearance of sixteen (16) feet in order to provide free access to the rights of way by the various types of equipment employed in maintaining the highways. Vertical clearance to all wires from the roadways will be in accordance with the National Electrical Safety Code, Current Edition, but with a minimum clearance from roadways as follows:

Communication lines 18' minimum

Power Line 0-750 volts 20' minimum

Over 750 volts 24' minimum