Section 37-1-7501-04017-301 - High Speed Highways (Urban Areas Only)1. High speed highways are those highways and frontage roads on which the average daily traffic (ADT) is 750 or more or on which the design speed is 50 MPH or more. On these highways, no above ground installations are to be placed nearer than 30 feet from the traveled way where such locations are accessible to out of control vehicles. Above ground installations located within 30 feet from the traveled way will be relocated 30 or more feet from the traveled way or to points inaccessible to out of control vehicles at such time as the installation requires a major rebuilding (replacement of above ground structure and restringing). When locating new lines or relocating old lines, installations which cannot be placed 30 or more feet from the traveled way or at points inaccessible to out of control vehicles will be protected by properly designed and approved safety barriers except that light standards and poles with break away type bases meeting the requirements of NCHRP Report 350 may be located to clear the usable shoulder, normally at least ten (10) feet from the edge of any through traffic lane. In curb and gutter sections, these standards or poles shall clear any curb face of through traffic lanes a minimum of one and one-half (11/2) feet and this clearance shall be a minimum of one and one-half (11/2) feet from the curb face of auxiliary lanes (See Attachment A). 2. On rights of way which do not have adequate widths for the required clearances for above ground facilities, below ground installations may be required.37 Miss. Code. R. § 1-7501-04017-301