TRAFFIC CALMING MEASURES THAT MAY BE CONSIDERED
ARTERIAL VERSUS RESIDENTIAL ROADWAY

 
Speed Control Measure Arterial Residential
Police Enforcement  yes, enhanced  yes, routine
SMART trailer (flashing speed display) yes yes
Speed Watch (citizen radar program) yes  yes
Traffic Circles  yes, if designed to accommodate full movements by trucks and buses  yes, retrofit design
Speed Humps no generally yes
Curb Extensions yes yes 
Median or Pedestrian Refuge Island yes yes
Edgelines to narrow wide roadway to create parking lane or shoulder yes  yes
NOTE: Volume control measures are not used on arterial roadways and are considered on residential roadways only in accordance withSection 31-49, Residential Traffic Management Areas, Montgomery County Code 1994 and Executive Regulation 17-94AM.

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