CHAPTER 5 HORIZONTAL ALIGNMENT

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5-1CHAPTER 5 HORIZONTAL ALIGNMENT Introduction 5-2 Factors Influencing the Selection of HORIZONTAL ALIGNMENT 5-2 General Criteria 5-3 Sight Distance 5-5 Figure 5-1 Sight Distance Measurements for HORIZONTAL Curves HORIZONTAL & Vertical ALIGNMENT Coordination 5-9 Striping No-Passing Zones 5-10 Intersecting Roads 5-10 Utilities 5-11 Transition (Spiral Curves) 5-11 Circular Curves 5-11 Figure 5-2 Circular Curves Superelevation

5-2 INTRODUCTION Horizontal and vertical alignments establish the general character of a rural highway, perhaps more than any other design consideration.

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