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Traffic Calming Measures
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Speed Humps
Raised areas of pavement designed to reduce vehicle speeds. Intended to enhance pedestrian safety and discourage speeding.
Chicanes
Artificial features creating extra turns in the road to slow down traffic flow. Intended to reduce vehicle speeds and enhance the streetscape.
Roundabouts
Circular intersection designs that promote continuous flow of traffic. Intended to reduce the incidence and severity of collisions.
Bulb-outs
Sidewalk extensions at intersections or mid-block crossings that reduce the crossing distance. Intended to improve pedestrian visibility and safety.
Raised Crosswalks
Pedestrian crossings elevated to the level of the sidewalk. Intended to slow down vehicles and increase pedestrian visibility.
Traffic Islands
Raised medians or islands within an intersection or mid-block to manage traffic movements. Intended to direct flow and improve pedestrian safety.
Road Diets
Reconfiguration of a roadway by reducing the number of lanes or width of lanes. Intended to lower speeds and create space for other uses like bike lanes.
Rumble Strips
Series of raised strips set into the pavement along the roadway. Intended to alert inattentive drivers through a vibratory and auditory effect.
Neckdowns
Narrowing of the street at intersection corners through curb extensions. Intended to reduce pedestrian crossing distance and slow down turning vehicles.
Gateways
Entrance treatments to influence driver perceptions and indicate transition into an area where different driving behavior is expected.
Textured Pavements
Use of different materials or patterns in the road surface to indicate a change in driving conditions. Intended to alert drivers through tactile feedback.
Mini-roundabouts
Smaller version of standard roundabouts, designed for low-speed environments. Intended to slow traffic and improve intersection safety.
Pedestrian Overpasses
Bridges allowing pedestrians and cyclists to cross over busy roadways. Intended to prevent accidents by separating traffic from vulnerable road users.
Pedestrian Refuge Islands
Safe waiting areas situated in the middle of larger streets for pedestrians. Intended to assist with the crossing of one direction of traffic at a time.
Horizontal Deflections
Physical design elements such as curves and turns added to the road to slow down traffic. Intended to impede straight-through movements.
Shared Space
Road design without traditional traffic signals where all road users share the same surface. Intended to create a sense of uncertainty to reduce vehicle speeds.
Lane Narrowings
Reforming lanes to be narrower than standard widths. Intended to discourage speeding and create a perception of a confined space.
Curb Radius Reduction
Decreasing the radius of the curb at intersections to slow the turning speeds of vehicles. Intended to improve pedestrian safety by reducing the exposure time in crosswalks.
Dynamic Speed Display Signs
Electronic signs that display a vehicle’s speed as it approaches, often with messages or symbols. Intended to raise awareness and encourage speed compliance.
No Right Turn on Red
Traffic regulation that prohibits a right turn while the traffic signal is red. Intended to improve safety for pedestrians crossing the street.
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