city planning 700 design studio traffic calming
TRANSCRIPT
Traffic CalmingMyrna Rodriguez
Traffic CalmingPurpose
• reduce vehicle speeds
• encourage motorists to drive carefully
• remove heavy car and unnecessary traffic
• enhance the environment
• reduce accidents and their severity
• Create walkability and pedestrian friendly spaces
Started in Europe
European traffic calming began as a grassroots movement in the late 1960s in Danish, German and French towns. The goal was to reduce traffic speed in walkable areas to 20-30mph.
Traffic Calming
France
History
Design for Human Scale
Signs Lights Landscaping Crosswalks Streets Public Art
Traffic Calming
Traffic calming started in the late 1960s and early 1970s in Berkeley, CA, Seattle, WA and Eugene ,OR in order to reduce the affects of motor vehicles.
U.S.
New York
Los AngelesBeverly Hills
Florida
Curitiba, Brazil
Long Beach, CADel Mar, CA
Vancouver
Speed Hump
Vertical Traffic Calming
Speed HumpsSpeed Tables
Raised CrosswalksRaised IntersectionsTextured Pavements
Speed Hump
Portland, Oregon
Speed Hump
Raised Hump
Speed TablesSafe for larger vehicles
Greater visibility
Safe for small vehicles including bikes
Decreased accidents by 45%
Cost $2K
Raised Crosswalk
Puts the pedestrian and vehicles at the same scale
Clearer visibility of one another
Raised IntersectionSlows traffic in all directionsDrainage issuesNot as affective as other traffic calming measuresMore expensive
Textured Pavements
Seattle, WA
Materials/Form
Cobblestone
Brick
Stamped
Horizontal Traffic Calming
Traffic Circles
Roundabouts
Chicanes
Realigned Intersections
Traffic Circles
Boulder, CO
Roundabouts
Higher volume streets
Chicanes
NeckdownsNubsBulboutsKnucklesNarrowingCorner BulgesSafe Crosses
Cost: $80-90K
Center Islands
Mid-Block MediansMedian SlowpointsMedian ChokersPedestrian Refuges
Portland, OR
Street Closure
Cost: $120K+
Block Party!