Possible traffic calming devices on NE 187 Street.Possible traffic calming devices on NE 187 Street.

Chicanes are curb extensions or islands that alternate from one side of the street to the other, forming S-shaped curves.

Seattle Washington

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
Chokers are curb extensions or islands on
one or both sides of the street that narrow the street at that location. Howard County, MD

Bellevue, WA

 

 

 

 

 

 

 

 

 

 

Angle Point are similar to chokers but much shorter and more defined.  They include curb extensions or islands on one or both sides of the street that narrow the street at that location.

Williamsburg Washington

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Half Traffic Circles are islands, placed in T-intersections intersections, around which traffic circulates.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Traffic Circles are islands, placed in intersections, around which traffic circulates.
Boulder, CO