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Title 428— BOARD OF PUBLIC ROADS CLASSIFICATIONS AND STANDARDS Chapter 2— Procedures for Standards (Continued) 001.03Q NEW AND RECONSTRUCTED / RESURFACING, RESTORATION AND REHABILITATION (3R) REMOTE RESIDENTIAL ROADS IN RURAL AREAS — COUNTY ROAD SYSTEM National Functional Classification: Local State Functional Classification: Remote Residential Rural Areas(Notes 1, 7 and 8) Functional Classification(Note 5) RESTRICTIONS PRIOR TO CONSTRUCTION If a county wants to construct a new segment, extend, reconstruct or do 3R work on an existing segment, or reclassify an existing non-surfaced road segment or an existing one-lane road segment with inadequate sight distance, the county proposal for design and construction, reconstruction or 3R work shall be submitted to the Board of Public Roads Classifications and Standards for review prior to the start of work or construction in accordance with the rules and regulations for relaxation of standards. However, if the work meets or exceeds National Local functional classification Rural Area standards,a relaxation of standards request is not required. NEW AND RECONSTRUCTED MINIMUM DESIGN SPEED The minimum design speed for New and Reconstructed work shall be 35 MPH. MINIMUM SURFACING WIDTH AND TYPE One 12 ft. wide paved surface or crushed aggregate surfacing of any type will be allowed where sight distance is adequate to warn motorist of oncoming traffic. Refer to the 2001 edition of AASHTO "Guidelines for Geometric Design of Very Low-Volume Local Roads(ADTs 400)"for information on sight distance. NEW AND REPLACEMENT STRUCTURES(Note 21) New and reconstructed bridge, non-buried structure and culvert Design Loading: HL93. New construction of low water stream crossings and fords shall not be permitted on county roads functionally classified Remote Residential. Continuation of and maintenance of existing low water stream crossings and fords working satisfactorily will be permitted. NEW AND RECONSTRUCTED MINIMUM VERTICAL CLEARANCE The minimum vertical clearance at underpasses shall be 14.5 ft. (See Note 17 for further requirements and other information.) SIGNING OF REMOTE RESIDENTIAL ROADS The County shall install and maintain, at entry points to Remote Residential Roads, appropriate signs to adequately warn members of the public that they are traveling on a one-lane road. Such signs shall conform to the requirements in the Manual on Uniform Traffic Control Devices (MUTCD) adopted pursuant to Chapter 60, Neb. Rev. Stat.§60-6,118. 86