7ef66bd4_raffic_Calming_Devices_Summary__1
[0] Speed Bump [2] • Very effective for slowing traffic • Inexpensive [3] • Unsafe at even moderate speeds • Create problems for maintenance vehicles (snow plowing, street cleaning, etc.) [4] These devices can not be used on public streets. They are typically used in parking lots and private drives to maintain very low speeds. [1] 
Short raised area of pavement, typically 3 to 4 inches high and 8 to 12 inches wide.
Traffic Calming Devices Summary
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