Developing a Web-Based Advisory Expert System for Implementing Traffic Calming Strategies

Table 2

Classification of traffic calming measures.

Strategies	Measures
Vertical deflections	Speed bumps, speed humps, speed tables, speed cushion, rumble strips, and raised crosswalks/intersections
Horizontal deflections	Chicane, lateral shift, central chicane, and traffic circle
Narrowing	Choker, neck-down, road-diet, sidewalk widening, pedestrian refuge island, hatched marking, turn lane, and median
Pavement treatment	Brick paving, stone paving, and colored surface
Parking management	Parking restriction/prohibition, nonparallel parking
Volume control	Half closures, full closure, diagonal diverters, and turn prohibition
Streetscaping	Street furniture, tree planting, and gateway
Changes in speed limit	School zone, speed limit reduction, and truck speed limit
Enforcement	Police enforcement, increased punishment, and speed cameras
Special zones	Truck exclusion zone, shared space, pedestrian zone, and school zone
Traffic signs	Warning signs, regulatory signs, school signs, bicycle signs, pedestrian signs, residential signs, truck signs, special zone signs, and traffic calming signs
Improvement of street infrastructure	Crosswalk, sidewalk, bike lane, and street lighting
Network analysis	Changing street direction from one-way to two-way (or vice versa) and changing direction of a one-way street