CHAPTER 6 VERTICAL ALIGNMENT

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6-1CHAPTER 6 VERTICAL ALIGNMENT Introduction 6-3 VERTICAL ALIGNMENT Controls 6-3 Figure 6-1 Contrast of Poor Grade Line Design (Left) with Preferred Grade Line Design (Right) Figure 6-2 Example of a Hidden Dip Figure 6-3 Broken Back (Left) Versus Smooth Continuous (Right) Grade Line Figure 6-4 Balanced VERTICAL and Horizontal Alignments Figure 6-5 Landscape Backdrop is also a Safety Feature Figure 6-6 Example of Undesirable Effect of a Profile on a Pronounced Crest Figure 6-7 Simultaneous VERTICAL and Horizontal Curvature Maximum Grades 6-8 Table 6-1 Maximum Grades on Construction/ Reconstruction Projects for Interstate and State Highways Table 6-2 Maximum Grades on Construction/Reconstruction Projects for Urban Arterials Table 6-3 Maximum Grades for 3R Projects on the National Highway System other than the Interstate Table 6-4 Maximum Grades for 3R Projects other than the National Highway System Minimum Grades 6-10 Minimum Ditch Grades

6-1 CHAPTER 6 VERTICAL ALIGNMENT Introduction 6-3 Vertical Alignment Controls 6-3 Figure 6-1 Contrast of Poor Grade Line Design (Left) with

  Chapter, Vertical, Alignment, Chapter 6 vertical alignment