Trade-Off Considerations in Highway Geometric Design (2011) / Chapter Skim
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Pages 6-9
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From page 6... ...
4 As more designers begin to understand that the Green Book is not intended to impose rigid standards that artificially limit design options for a project, the use of appropriate flexibility in design has increased. To fully utilize that flexibility, the challenge to designers is to find solutions that balance often-competing objectives.
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From page 7... ...
5 Thinking Beyond the Pavement, a national workshop held in 1998, was a pioneering step in CSS/CSD. The workshop identified seven qualities of excellence in transportation design and eight characteristics of the process that would yield excellence, all of which were termed principles of CSD (4)
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From page 8... ...
6 • Secures commitments to the process from local leaders; • Tailors the transportation development process to the circumstances and uses a process that examines multiple alternatives, including all appropriate modes of transportation, and results in consensus; • Encourages agency and stakeholder participants to jointly monitor how well the agreed-upon process is working, to improve it as needed, and when completed, to identify any lessons learned; • Encourages mutually supportive and coordinated multimodal transportation and land use decisions; and • Draws upon a full range of communication and visualization tools to better inform stakeholders, encourage dialogue, and increase credibility of the process (5)
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From page 9... ...
7 and risk and reliability analysis methods of dealing with risk, and the psychology of risk perception • Influence of safety in the acceptance of trade-offs, including organizational accidents, safety conscious planning, road safety audits, the Interactive Highway Safety Design Manual (IHSDM) , the Highway Safety Manual (HSM)
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