Intersection daylighting, or simply daylighting, is an
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 based on geographical location. In addition to designing and shaping the physical features of towns, city, ...
strategy to enhance
safety at intersections by improving visibility.
About 40-60% of pedestrian and cyclist injuries occur at intersections. Daylighting reduces collisions by removing obstructions that prevent drivers from seeing other cars, pedestrians, bicyclists, and other road users.
The
National Association of City Transportation Officials
The National Association of City Transportation Officials (NACTO) is a coalition of the Departments of Transportation in North American cities.
Founded in 1996, NACTO has participated in a number of research initiatives dealing with surface tran ...
recommends daylighting by preventing cars from parking within of an intersection. If parking is merely disallowed by law or signage, drivers may not always comply, so it is best to replace parking with
curb extension
A curb extension (or also neckdown, kerb extension, bulb-out, bump-out, kerb build-out, nib, elephant ear, curb bulge, curb bulb, or blister) is a traffic calming measure which widens the sidewalk for a short distance. This reduces the crossi ...
s or other physical infrastructure that do not impede visibility, like planters, granite blocks, or
bike share
A bicycle-sharing system, bike share program, public bicycle scheme, or public bike share (PBS) scheme, is a shared transport service where bicycles are available for shared use by individuals at low cost.
The programmes themselves include bot ...
stations.
Many jurisdictions, such as New York State (excluding New York City) and Pennsylvania disallow parking near all intersections.
In such cases, further daylighting typically involves safety improvements that encourage compliance with existing laws against parking near intersections. On the other hand, in jurisdictions that by default allow parking close to an intersection, such as New York City, daylighting removes parking spots.
See also
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Traffic calming
Traffic calming uses physical design and other measures to improve safety for motorists, car drivers, pedestrians and bicycle-friendly, cyclists. It has become a tool to combat speeding and other unsafe behaviours of drivers. It aims to encour ...
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Curb extension
A curb extension (or also neckdown, kerb extension, bulb-out, bump-out, kerb build-out, nib, elephant ear, curb bulge, curb bulb, or blister) is a traffic calming measure which widens the sidewalk for a short distance. This reduces the crossi ...
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Complete streets
Complete streets is a transportation policy and design approach that requires streets to be planned, designed, operated and maintained to enable safe, convenient and comfortable travel and access for users of all ages and abilities regardless of ...
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Vision Zero
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Transportation planning
Transportation planning is the process of defining future policies, goals, investments, and spatial planning designs to prepare for future needs to move people and goods to destinations. As practiced today, it is a collaborative process that i ...
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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 based on geographical location. In addition to designing and shaping the physical features of towns, city, ...
References
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Road safety