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Excerpt Icon Alternatives Development: Engaging Stakeholders in Identification of Alternatives
"Engage stakeholders in alternative identification. This is the most creative part of the project development process, in which sets of solutions are crafted in response to the problem statement and the evaluation criteria. Alternatives are generally... more
Transportation Research Board (TRB),
from NCHRP Report 480: A Guide to Best Practices for Achieving Context Sensitive Solutions,2002
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Excerpt Icon Considering Scale
People driving in a car see the world at a much different scale than people walking on the street. This large discrepancy in the design scale for a car versus the design scale for people has changed the overall planning of our communities.
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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Excerpt Icon Context Assessment
In order for a designer to be sensitive to the projects surrounding environment, he or she must consider its context and physical location carefully during this stage of project planning. Some of these issues to be considered are; the physical... more
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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Excerpt Icon Cross-Section Elements: Curbs
There are two types of curbs: barrier and mountable. Both in urban and suburban environments curbs serve functions such as drainage control, roadway edge delineation, and right-of-way reduction.
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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Excerpt Icon Cross-Section Elements: Introduction
Cross-section elements define the highway right-of-way. This section describes each element and related factors effecting the design of the roadway.
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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Excerpt Icon Cross-Section Elements: Landscape Design and Plants
Landscape design is an important element to help mitigate nuisances and help the roadway fit the surroundings. Goal of landscape design is to provide vegetation to improve aesthetics and safety, lower constructions costs and create enough visual... more
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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Excerpt Icon Cross-Section Elements: Lane Width
"The width of travel lanes is limited by the physical dimensions of automobiles and trucks to a range between 2.7 and 3.6 m (9 and 12 ft)." Surrounding context and speed are factors determining the necessary minimum lane width.
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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Excerpt Icon Cross-Section Elements: Shoulders
"Shoulders increase safety and highway capacity and provide a place for pedestrians and bicyclists when no sidewalks are provided.... The treatment of shoulders is important from a number of perspectives, including safety, the capacity of the highway... more
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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Excerpt Icon Cross-Section Elements: Travel Lanes
"The number of lanes needed for a facility is usually determined during the concept stage of project development. It is usually the number of lanes necessary to accommodate the expected traffic volumes at a level of service determined to be... more
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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Excerpt Icon Cross-Section Elements: Trees
"An important aspect of roadside landscape design is the treatment of trees ... Integrating trees into the design of a facility has many advantages. Trees provide a visual edge to the roadway that helps guide motorists. Trees also add to the... more
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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Excerpt Icon Detailing the Design
Particularly during the final design phase, it is the details associated with the project that are important. Employing a multidisciplinary design team ensures that important design details are considered and that they are compatible with community... more
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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Excerpt Icon Develop decision process
The purpose of developing a decision process is to ensure complete and accurate identification of the problem, selection of the best alternative, enhancement of agency credibility, and efficient use of resources in short, to ensure that good... more
Transportation Research Board (TRB),
from NCHRP Report 480: A Guide to Best Practices for Achieving Context Sensitive Solutions,2002
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Excerpt Icon Insights on CSD/CSS
Extended definition of context sensitive design and context sensitive solutions.
Transportation Research Board (TRB),
from NCHRP Report 480: A Guide to Best Practices for Achieving Context Sensitive Solutions,2002
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Excerpt Icon Management Structure: Developing a Public Involvement Plan
Steps to developing a public involvement plan.
Transportation Research Board (TRB),
from NCHRP Report 480: A Guide to Best Practices for Achieving Context Sensitive Solutions,2002
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Excerpt Icon Problem Definition: Confirming and Refining Problem Definition
Initial project decisions begin with development of a list of the transportation problems to be addressed by a project.... The list of problems can then be transformed into a comprehensive need statement. It is critical for this statement to reflect... more
Transportation Research Board (TRB),
from NCHRP Report 480: A Guide to Best Practices for Achieving Context Sensitive Solutions,2002
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Excerpt Icon Project Development
After a project has been planned and programmed for implementation, it moves into the project development phase. The basic steps in this stage include the following: refinement of purpose and need, development of a range of alternatives (including... more
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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Excerpt Icon Right-of-Way, Construction and Maintenance
Maintenance post-construction, involvement of design team in the implementation phase.Once the final designs have been prepared and needed right-of-way is purchased, construction bid packages are made available, a contractor is selected, and... more
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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Excerpt Icon The Most Important Law of the 20th Century
"The 91st Congress enacted the National Environmental Policy Act of 1969 (NEPA), considered by many to be the most important law of the 20th century. ...In tandem with NEPA, the 91st Congress also added a new subsection ...focusing on design criteria... more
Transportation Research Board (TRB),
from Context-Sensitive Design: Will the Vision Overcome Liability Concerns?
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Excerpt Icon Tort Liability, Design Exceptions, and Risk Management and Overview of Tort Issues
In tort liability, agencies are faced with defending their actions such as design decisions in the face of lawsuits stemming from traffic crashes. Six principle issues must be resolved in court.
Transportation Research Board (TRB),
from NCHRP Report 480: A Guide to Best Practices for Achieving Context Sensitive Solutions,2002
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Excerpt Icon Types of Highway Improvement Projects
There are four basic types of physical improvement projects, some of which must comply with standards and others that do not have to comply. These types of improvement projects are discussed in the following paragraphs.
Federal Highway Administration (FHWA),
from Flexibility in Highway Design
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