Transcription of CHAPTER 300 – GEOMETRIC CROSS SECTION
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CHAPTER 300 – GEOMETRIC CROSS SECTION
Highway Design Manual 300-1 July 1, 2020 CHAPTER 300 GEOMETRIC CROSS SECTION The selection of a CROSS SECTION is based upon the joint use of the transportation corridor by vehicles, including trucks, public transit, cyclists and pedestrians. Designers should recognize the implications of this sharing of the transportation corridor and are encouraged to consider not only vehicular movement, but also movement of people, distribution of goods, and provision of essential services. Designers need also to consider the plan for the future of the route, consult Transportation Concept Reports for state routes. Topic 301 traveled Way Standards The traveled way width is determined by the number of lanes required to accommodate operational needs, terrain, safety and other concerns.
Jul 01, 2020 · When shoulders are less than standard width, see Index 204.5(4) for bicycle turnout considerations. 302.2 Cross Slopes (1) General - When a roadway crosses a bridge structure, the shoulders shall be in the same plane as the adjacent traveled way. (2) Left Shoulders - In depressed median sections, shoulders to the left of traffic shall
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