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  2. Geometric design of roads - Wikipedia

    en.wikipedia.org/wiki/Geometric_design_of_roads

    Circular curves are defined by radius (tightness) and deflection angle (extent). The design of a horizontal curve entails the determination of a minimum radius (based on speed limit), curve length, and objects obstructing the view of the driver. [4] Using AASHTO standards, an engineer works to design a road that is safe and comfortable.

  3. Modal filter - Wikipedia

    en.wikipedia.org/wiki/Modal_filter

    A modal filter, sometimes referred to as a point closure, [1] is a road design that restricts the passage of certain types of vehicle in road transport. Modal filtering is often used to help create a low traffic neighbourhood (LTN), where motor traffic is diverted away from residential streets [2] [3] and instead toward feeder roads.

  4. Permeability (spatial and transport planning) - Wikipedia

    en.wikipedia.org/wiki/Permeability_(spatial_and...

    Stephen Marshall differentiates connectivity as the number of connections, and permeability as their capacity.From light gray to dark, streets become less permeable to an increasing number of transport means such as trucks, buses, cars and bikes until only pedestrians have access to the narrowest, steep or stepped streets.

  5. Complete streets - Wikipedia

    en.wikipedia.org/wiki/Complete_streets

    Complete Streets allow for safe travel by those walking, cycling, driving automobiles, riding public transportation, or delivering goods. [ 1 ] The term is often used by transportation advocates, urban planners , traffic and highway engineers , public health practitioners, and community members in the United States and Canada.

  6. Channelization (roads) - Wikipedia

    en.wikipedia.org/wiki/Channelization_(roads)

    Channelization of at-grade intersections is the separation or regulation of conflicting traffic movements into definite paths of travel by the use of pavement markings, raised islands, or other suitable means to facilitate the safe and orderly movement of both vehicles and pedestrians.

  7. Traffic sign design - Wikipedia

    en.wikipedia.org/wiki/Traffic_sign_design

    Drivers, cyclists, pedestrians and other types of pedestrians are the users that will be interacting with traffic signs. These users are using the roadways for transportation purposes and must receive information about the roadways and their destinations as they are traveling. [6]

  8. Traffic calming - Wikipedia

    en.wikipedia.org/wiki/Traffic_calming

    Traffic engineers refer to three "E's" when discussing traffic calming: engineering, (community) education, and (police) enforcement.Because neighborhood traffic management studies have shown that residents often contribute to the perceived speeding problem within their neighborhoods, instructions on traffic calming (for example in Hass-Klau et al., 1992 [4]) stress that the most effective ...

  9. Management systems for road safety - Wikipedia

    en.wikipedia.org/wiki/Management_systems_for...

    Road Safety Management System A Drivers, Training & Licensing. A-1 Training of professional drivers A-2 Training of car drivers A-3 Driver’s testing A-4 Training of driving instructors A-5 Licensing of instructors A-6 Licensing of practical examiners A-7 Driving schools supervision A-8 Permanent grading of drivers: E Enforcement