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  2. National Association of City Transportation Officials - Wikipedia

    en.wikipedia.org/wiki/National_Association_of...

    In March 2011 the NACTO Urban Bikeway Design Guide, part of the Cities for Cycling initiative, was officially released. Janette Sadik-Khan , the New York City Department of Transportation Commissioner, announced the release at the National Bike Summit in Washington, D.C. [ 3 ] The Bikeway Design Guide provides technical guidance on over twenty ...

  3. Manual for Streets - Wikipedia

    en.wikipedia.org/wiki/Manual_for_Streets

    Although the detailed guidance in the document applies mainly to residential streets, the overall design principles apply to all streets within urban areas. A street is defined as "a highway with important public realm functions beyond the movement of motor traffic" – i.e. by its function rather than some arbitrary traffic flow limit.

  4. Urban design - Wikipedia

    en.wikipedia.org/wiki/Urban_design

    Urban design is an approach to the design of buildings and the spaces between them that focuses on specific design processes and outcomes. In addition to designing and shaping the physical features of towns, cities , and regional spaces, urban design considers 'bigger picture' issues of economic, social and environmental value and social design.

  5. City block - Wikipedia

    en.wikipedia.org/wiki/City_block

    A city block, residential block, urban block, or simply block is a central element of urban planning and urban design. In a city with a grid system, the block is the smallest group of buildings that is surrounded by streets. City blocks are the space for buildings within the street pattern of a city, and form the basic unit of a city's urban ...

  6. Complete streets - Wikipedia

    en.wikipedia.org/wiki/Complete_streets

    The specific design elements of Complete Streets vary, based on context and project goals, but they may include: Pedestrian infrastructure such as sidewalks ; traditional and raised crosswalks ; median crossing islands; Americans with Disabilities Act of 1990 compliant facilities including audible cues for people with low vision, pushbuttons ...

  7. Street hierarchy - Wikipedia

    en.wikipedia.org/wiki/Street_hierarchy

    A 1990 study [9] compared the traffic performance in a 700-acre (2.8-km 2) development that was laid out using two approaches, one with a hierarchical street layout that included cul-de-sac streets and the other a Traditional Neighborhood Design street layout. The study concluded that the non-hierarchical, traditional layout generally shows ...

  8. Geometric design of roads - Wikipedia

    en.wikipedia.org/wiki/Geometric_design_of_roads

    A geometric design saved on construction costs and improved visibility with the intention to reduce the likelihood of traffic incidents. The geometric design of roads is the branch of highway engineering concerned with the positioning of the physical elements of the roadway according to standards and constraints. The basic objectives in ...

  9. Walkability - Wikipedia

    en.wikipedia.org/wiki/Walkability

    A study attempted to comprehensively and objectively measure subjective qualities of the urban street environment. Using ratings from an expert panel, it was possible to measure five urban design qualities in terms of physical characteristics of streets and their edges: imageability, enclosure, human scale, transparency and complexity. [6]