CHAPTER 9 - HIGHWAY DESIGN

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ICHAPTER 9 - HIGHWAY DESIGNTABLE OF CONTENTSPage of the Standards Exceptions3. Mitigating DESIGN Aided DESIGN and Drafting (CADD) AND REFERENCES ........................................ ..... Study and Mapping Data Plans Contacts DEVELOPMENT ........................................ ............ DESIGN ........................................ ................ Consideration in HIGHWAY DESIGN 2. Horizontal and Vertical Alignment Relationship 3. Establish Control Points 4. Horizontal Alignment Alignment Distance Cross Section Grade Location and Cross Slope and Shoulder Widths d. Foreslopes e. Roadway Ditches and Fill Slopes g. Rock Cut Slopes h. Serrated Slopes I. Slope Rounding and Clearing Limits Roadway Widening 9. RRR ConsiderationsiiTABLE OF DEVELOPMENT (continued) Page B.

B. Design Standards. Guidelines for geometric design have changed significantly over the years. Today's emphasis is on balancing the factors of safety, economy, environmental concerns, energy conservation, and social effects with the traditional concerns for volume and speed.

  Design, Geometric, Geometric design